Home / 644,924.16-890,013.69-372,966.12

Finding the Fourth Proportional to 644,924.16, 890,013.69 and 372,966.12

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Solution

The fourth proportional to 644,924.16, 890,013.69 and 372,966.12 is: 514,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,924.16 : 890,013.69 = 372,966.12 : x
  2. Step 2: Convert to fraction form
    644,924.16/890,013.69 = 372,966.12/x
  3. Step 3: Cross multiply
    644,924.16x = 890,013.69 × 372,966.12
  4. Step 4: Simplify right side
    644,924.16x = 331,944,952,706.18
  5. Step 5: Solve for x
    x = 331,944,952,706.18/644,924.16
  6. Step 6: Final answer
    x = 514,703.86

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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.