Home / 1,007,454.38-1,390,281.10-548,567.86

Finding the Fourth Proportional to 1,007,454.38, 1,390,281.10 and 548,567.86

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Solution

The fourth proportional to 1,007,454.38, 1,390,281.10 and 548,567.86 is: 757,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,454.38 : 1,390,281.10 = 548,567.86 : x
  2. Step 2: Convert to fraction form
    1,007,454.38/1,390,281.10 = 548,567.86/x
  3. Step 3: Cross multiply
    1,007,454.38x = 1,390,281.10 × 548,567.86
  4. Step 4: Simplify right side
    1,007,454.38x = 762,663,520,874.04
  5. Step 5: Solve for x
    x = 762,663,520,874.04/1,007,454.38
  6. Step 6: Final answer
    x = 757,020.40

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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.