Home / 953,612.16-1,431,669.12-639,475.20

Finding the Fourth Proportional to 953,612.16, 1,431,669.12 and 639,475.20

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Solution

The fourth proportional to 953,612.16, 1,431,669.12 and 639,475.20 is: 960,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,612.16 : 1,431,669.12 = 639,475.20 : x
  2. Step 2: Convert to fraction form
    953,612.16/1,431,669.12 = 639,475.20/x
  3. Step 3: Cross multiply
    953,612.16x = 1,431,669.12 × 639,475.20
  4. Step 4: Simplify right side
    953,612.16x = 915,516,896,845.82
  5. Step 5: Solve for x
    x = 915,516,896,845.82/953,612.16
  6. Step 6: Final answer
    x = 960,051.62

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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.