Home / 614,923.40-922,385.10-490,507.40

Finding the Fourth Proportional to 614,923.40, 922,385.10 and 490,507.40

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Solution

The fourth proportional to 614,923.40, 922,385.10 and 490,507.40 is: 735,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,923.40 : 922,385.10 = 490,507.40 : x
  2. Step 2: Convert to fraction form
    614,923.40/922,385.10 = 490,507.40/x
  3. Step 3: Cross multiply
    614,923.40x = 922,385.10 × 490,507.40
  4. Step 4: Simplify right side
    614,923.40x = 452,436,717,199.74
  5. Step 5: Solve for x
    x = 452,436,717,199.74/614,923.40
  6. Step 6: Final answer
    x = 735,761.10

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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.