Home / 738,532.30-1,107,130.20-514,000.30

Finding the Fourth Proportional to 738,532.30, 1,107,130.20 and 514,000.30

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Solution

The fourth proportional to 738,532.30, 1,107,130.20 and 514,000.30 is: 770,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,532.30 : 1,107,130.20 = 514,000.30 : x
  2. Step 2: Convert to fraction form
    738,532.30/1,107,130.20 = 514,000.30/x
  3. Step 3: Cross multiply
    738,532.30x = 1,107,130.20 × 514,000.30
  4. Step 4: Simplify right side
    738,532.30x = 569,065,254,939.06
  5. Step 5: Solve for x
    x = 569,065,254,939.06/738,532.30
  6. Step 6: Final answer
    x = 770,535.36

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Double scale
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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.