Home / 1,153,280.10-1,730,222.55-443,331.30

Finding the Fourth Proportional to 1,153,280.10, 1,730,222.55 and 443,331.30

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Solution

The fourth proportional to 1,153,280.10, 1,730,222.55 and 443,331.30 is: 665,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,280.10 : 1,730,222.55 = 443,331.30 : x
  2. Step 2: Convert to fraction form
    1,153,280.10/1,730,222.55 = 443,331.30/x
  3. Step 3: Cross multiply
    1,153,280.10x = 1,730,222.55 × 443,331.30
  4. Step 4: Simplify right side
    1,153,280.10x = 767,061,812,380.82
  5. Step 5: Solve for x
    x = 767,061,812,380.82/1,153,280.10
  6. Step 6: Final answer
    x = 665,113.20

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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.