Home / 934,454.30-1,402,337.55-402,357.20

Finding the Fourth Proportional to 934,454.30, 1,402,337.55 and 402,357.20

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Solution

The fourth proportional to 934,454.30, 1,402,337.55 and 402,357.20 is: 603,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,454.30 : 1,402,337.55 = 402,357.20 : x
  2. Step 2: Convert to fraction form
    934,454.30/1,402,337.55 = 402,357.20/x
  3. Step 3: Cross multiply
    934,454.30x = 1,402,337.55 × 402,357.20
  4. Step 4: Simplify right side
    934,454.30x = 564,240,610,072.86
  5. Step 5: Solve for x
    x = 564,240,610,072.86/934,454.30
  6. Step 6: Final answer
    x = 603,818.30

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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.