Home / 691,477.56-953,604.90-474,002.28

Finding the Fourth Proportional to 691,477.56, 953,604.90 and 474,002.28

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Solution

The fourth proportional to 691,477.56, 953,604.90 and 474,002.28 is: 653,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,477.56 : 953,604.90 = 474,002.28 : x
  2. Step 2: Convert to fraction form
    691,477.56/953,604.90 = 474,002.28/x
  3. Step 3: Cross multiply
    691,477.56x = 953,604.90 × 474,002.28
  4. Step 4: Simplify right side
    691,477.56x = 452,010,896,819.17
  5. Step 5: Solve for x
    x = 452,010,896,819.17/691,477.56
  6. Step 6: Final answer
    x = 653,688.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.