Home / 738,265.80-1,107,398.70-365,017.80

Finding the Fourth Proportional to 738,265.80, 1,107,398.70 and 365,017.80

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Solution

The fourth proportional to 738,265.80, 1,107,398.70 and 365,017.80 is: 547,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,265.80 : 1,107,398.70 = 365,017.80 : x
  2. Step 2: Convert to fraction form
    738,265.80/1,107,398.70 = 365,017.80/x
  3. Step 3: Cross multiply
    738,265.80x = 1,107,398.70 × 365,017.80
  4. Step 4: Simplify right side
    738,265.80x = 404,220,237,196.86
  5. Step 5: Solve for x
    x = 404,220,237,196.86/738,265.80
  6. Step 6: Final answer
    x = 547,526.70

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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.