Home / 1,425,152.48-2,137,925.55-478,793.84

Finding the Fourth Proportional to 1,425,152.48, 2,137,925.55 and 478,793.84

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Solution

The fourth proportional to 1,425,152.48, 2,137,925.55 and 478,793.84 is: 718,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,152.48 : 2,137,925.55 = 478,793.84 : x
  2. Step 2: Convert to fraction form
    1,425,152.48/2,137,925.55 = 478,793.84/x
  3. Step 3: Cross multiply
    1,425,152.48x = 2,137,925.55 × 478,793.84
  4. Step 4: Simplify right side
    1,425,152.48x = 1,023,625,583,718.61
  5. Step 5: Solve for x
    x = 1,023,625,583,718.61/1,425,152.48
  6. Step 6: Final answer
    x = 718,256.89

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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.