Home / 424,415.04-636,664.08-154,616.46

Finding the Fourth Proportional to 424,415.04, 636,664.08 and 154,616.46

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Solution

The fourth proportional to 424,415.04, 636,664.08 and 154,616.46 is: 231,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,415.04 : 636,664.08 = 154,616.46 : x
  2. Step 2: Convert to fraction form
    424,415.04/636,664.08 = 154,616.46/x
  3. Step 3: Cross multiply
    424,415.04x = 636,664.08 × 154,616.46
  4. Step 4: Simplify right side
    424,415.04x = 98,438,746,258.76
  5. Step 5: Solve for x
    x = 98,438,746,258.76/424,415.04
  6. Step 6: Final answer
    x = 231,939.82

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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.