Home / 868,082.40-1,302,123.60-584,647.20

Finding the Fourth Proportional to 868,082.40, 1,302,123.60 and 584,647.20

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Solution

The fourth proportional to 868,082.40, 1,302,123.60 and 584,647.20 is: 876,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,082.40 : 1,302,123.60 = 584,647.20 : x
  2. Step 2: Convert to fraction form
    868,082.40/1,302,123.60 = 584,647.20/x
  3. Step 3: Cross multiply
    868,082.40x = 1,302,123.60 × 584,647.20
  4. Step 4: Simplify right side
    868,082.40x = 761,282,916,793.92
  5. Step 5: Solve for x
    x = 761,282,916,793.92/868,082.40
  6. Step 6: Final answer
    x = 876,970.80

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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.