Home / 872,939.28-1,309,263.12-241,916.88

Finding the Fourth Proportional to 872,939.28, 1,309,263.12 and 241,916.88

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Solution

The fourth proportional to 872,939.28, 1,309,263.12 and 241,916.88 is: 362,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,939.28 : 1,309,263.12 = 241,916.88 : x
  2. Step 2: Convert to fraction form
    872,939.28/1,309,263.12 = 241,916.88/x
  3. Step 3: Cross multiply
    872,939.28x = 1,309,263.12 × 241,916.88
  4. Step 4: Simplify right side
    872,939.28x = 316,732,849,089.47
  5. Step 5: Solve for x
    x = 316,732,849,089.47/872,939.28
  6. Step 6: Final answer
    x = 362,834.91

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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.