Home / 840,522.92-1,159,916.19-477,946.76

Finding the Fourth Proportional to 840,522.92, 1,159,916.19 and 477,946.76

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Solution

The fourth proportional to 840,522.92, 1,159,916.19 and 477,946.76 is: 659,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,522.92 : 1,159,916.19 = 477,946.76 : x
  2. Step 2: Convert to fraction form
    840,522.92/1,159,916.19 = 477,946.76/x
  3. Step 3: Cross multiply
    840,522.92x = 1,159,916.19 × 477,946.76
  4. Step 4: Simplify right side
    840,522.92x = 554,378,179,082.46
  5. Step 5: Solve for x
    x = 554,378,179,082.46/840,522.92
  6. Step 6: Final answer
    x = 659,563.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.