Home / 1,047,135.84-1,569,250.59-477,123.90

Finding the Fourth Proportional to 1,047,135.84, 1,569,250.59 and 477,123.90

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Solution

The fourth proportional to 1,047,135.84, 1,569,250.59 and 477,123.90 is: 715,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,135.84 : 1,569,250.59 = 477,123.90 : x
  2. Step 2: Convert to fraction form
    1,047,135.84/1,569,250.59 = 477,123.90/x
  3. Step 3: Cross multiply
    1,047,135.84x = 1,569,250.59 × 477,123.90
  4. Step 4: Simplify right side
    1,047,135.84x = 748,726,961,578.10
  5. Step 5: Solve for x
    x = 748,726,961,578.10/1,047,135.84
  6. Step 6: Final answer
    x = 715,023.72

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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.