Home / 908,543.80-1,362,487.65-459,115.30

Finding the Fourth Proportional to 908,543.80, 1,362,487.65 and 459,115.30

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Solution

The fourth proportional to 908,543.80, 1,362,487.65 and 459,115.30 is: 688,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,543.80 : 1,362,487.65 = 459,115.30 : x
  2. Step 2: Convert to fraction form
    908,543.80/1,362,487.65 = 459,115.30/x
  3. Step 3: Cross multiply
    908,543.80x = 1,362,487.65 × 459,115.30
  4. Step 4: Simplify right side
    908,543.80x = 625,538,926,176.05
  5. Step 5: Solve for x
    x = 625,538,926,176.05/908,543.80
  6. Step 6: Final answer
    x = 688,507.18

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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.