Home / 693,566.20-1,040,349.30-553,598.20

Finding the Fourth Proportional to 693,566.20, 1,040,349.30 and 553,598.20

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Solution

The fourth proportional to 693,566.20, 1,040,349.30 and 553,598.20 is: 830,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,566.20 : 1,040,349.30 = 553,598.20 : x
  2. Step 2: Convert to fraction form
    693,566.20/1,040,349.30 = 553,598.20/x
  3. Step 3: Cross multiply
    693,566.20x = 1,040,349.30 × 553,598.20
  4. Step 4: Simplify right side
    693,566.20x = 575,935,499,851.26
  5. Step 5: Solve for x
    x = 575,935,499,851.26/693,566.20
  6. Step 6: Final answer
    x = 830,397.30

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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.