Home / 639,018.80-958,528.20-544,030.10

Finding the Fourth Proportional to 639,018.80, 958,528.20 and 544,030.10

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Solution

The fourth proportional to 639,018.80, 958,528.20 and 544,030.10 is: 816,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,018.80 : 958,528.20 = 544,030.10 : x
  2. Step 2: Convert to fraction form
    639,018.80/958,528.20 = 544,030.10/x
  3. Step 3: Cross multiply
    639,018.80x = 958,528.20 × 544,030.10
  4. Step 4: Simplify right side
    639,018.80x = 521,468,192,498.82
  5. Step 5: Solve for x
    x = 521,468,192,498.82/639,018.80
  6. Step 6: Final answer
    x = 816,045.15

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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.