Home / 566,197.50-781,358.02-311,554.16

Finding the Fourth Proportional to 566,197.50, 781,358.02 and 311,554.16

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Solution

The fourth proportional to 566,197.50, 781,358.02 and 311,554.16 is: 429,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,197.50 : 781,358.02 = 311,554.16 : x
  2. Step 2: Convert to fraction form
    566,197.50/781,358.02 = 311,554.16/x
  3. Step 3: Cross multiply
    566,197.50x = 781,358.02 × 311,554.16
  4. Step 4: Simplify right side
    566,197.50x = 243,435,336,894.69
  5. Step 5: Solve for x
    x = 243,435,336,894.69/566,197.50
  6. Step 6: Final answer
    x = 429,947.74

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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.