Home / 933,417.60-1,399,204.80-459,715.20

Finding the Fourth Proportional to 933,417.60, 1,399,204.80 and 459,715.20

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Solution

The fourth proportional to 933,417.60, 1,399,204.80 and 459,715.20 is: 689,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,417.60 : 1,399,204.80 = 459,715.20 : x
  2. Step 2: Convert to fraction form
    933,417.60/1,399,204.80 = 459,715.20/x
  3. Step 3: Cross multiply
    933,417.60x = 1,399,204.80 × 459,715.20
  4. Step 4: Simplify right side
    933,417.60x = 643,235,714,472.96
  5. Step 5: Solve for x
    x = 643,235,714,472.96/933,417.60
  6. Step 6: Final answer
    x = 689,118.91

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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.