Home / 527,254.20-789,038.10-483,017.40

Finding the Fourth Proportional to 527,254.20, 789,038.10 and 483,017.40

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Solution

The fourth proportional to 527,254.20, 789,038.10 and 483,017.40 is: 722,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,254.20 : 789,038.10 = 483,017.40 : x
  2. Step 2: Convert to fraction form
    527,254.20/789,038.10 = 483,017.40/x
  3. Step 3: Cross multiply
    527,254.20x = 789,038.10 × 483,017.40
  4. Step 4: Simplify right side
    527,254.20x = 381,119,131,562.94
  5. Step 5: Solve for x
    x = 381,119,131,562.94/527,254.20
  6. Step 6: Final answer
    x = 722,837.55

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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.