Home / 859,114.34-1,185,508.38-496,561.66

Finding the Fourth Proportional to 859,114.34, 1,185,508.38 and 496,561.66

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Solution

The fourth proportional to 859,114.34, 1,185,508.38 and 496,561.66 is: 685,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,114.34 : 1,185,508.38 = 496,561.66 : x
  2. Step 2: Convert to fraction form
    859,114.34/1,185,508.38 = 496,561.66/x
  3. Step 3: Cross multiply
    859,114.34x = 1,185,508.38 × 496,561.66
  4. Step 4: Simplify right side
    859,114.34x = 588,678,009,116.71
  5. Step 5: Solve for x
    x = 588,678,009,116.71/859,114.34
  6. Step 6: Final answer
    x = 685,214.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.