Home / 424,867.46-637,397.20-140,557.34

Finding the Fourth Proportional to 424,867.46, 637,397.20 and 140,557.34

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Solution

The fourth proportional to 424,867.46, 637,397.20 and 140,557.34 is: 210,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,867.46 : 637,397.20 = 140,557.34 : x
  2. Step 2: Convert to fraction form
    424,867.46/637,397.20 = 140,557.34/x
  3. Step 3: Cross multiply
    424,867.46x = 637,397.20 × 140,557.34
  4. Step 4: Simplify right side
    424,867.46x = 89,590,854,955.45
  5. Step 5: Solve for x
    x = 89,590,854,955.45/424,867.46
  6. Step 6: Final answer
    x = 210,867.77

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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.