Home / 781,148.42-1,077,970.56-441,616.76

Finding the Fourth Proportional to 781,148.42, 1,077,970.56 and 441,616.76

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Solution

The fourth proportional to 781,148.42, 1,077,970.56 and 441,616.76 is: 609,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,148.42 : 1,077,970.56 = 441,616.76 : x
  2. Step 2: Convert to fraction form
    781,148.42/1,077,970.56 = 441,616.76/x
  3. Step 3: Cross multiply
    781,148.42x = 1,077,970.56 × 441,616.76
  4. Step 4: Simplify right side
    781,148.42x = 476,049,866,082.59
  5. Step 5: Solve for x
    x = 476,049,866,082.59/781,148.42
  6. Step 6: Final answer
    x = 609,423.07

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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.