Home / 1,036,714.18-1,555,071.27-438,350.98

Finding the Fourth Proportional to 1,036,714.18, 1,555,071.27 and 438,350.98

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Solution

The fourth proportional to 1,036,714.18, 1,555,071.27 and 438,350.98 is: 657,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,714.18 : 1,555,071.27 = 438,350.98 : x
  2. Step 2: Convert to fraction form
    1,036,714.18/1,555,071.27 = 438,350.98/x
  3. Step 3: Cross multiply
    1,036,714.18x = 1,555,071.27 × 438,350.98
  4. Step 4: Simplify right side
    1,036,714.18x = 681,667,015,174.35
  5. Step 5: Solve for x
    x = 681,667,015,174.35/1,036,714.18
  6. Step 6: Final answer
    x = 657,526.47

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.