Home / 997,411.45-1,498,331.51-618,612.12

Finding the Fourth Proportional to 997,411.45, 1,498,331.51 and 618,612.12

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Solution

The fourth proportional to 997,411.45, 1,498,331.51 and 618,612.12 is: 929,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,411.45 : 1,498,331.51 = 618,612.12 : x
  2. Step 2: Convert to fraction form
    997,411.45/1,498,331.51 = 618,612.12/x
  3. Step 3: Cross multiply
    997,411.45x = 1,498,331.51 × 618,612.12
  4. Step 4: Simplify right side
    997,411.45x = 926,886,031,863.90
  5. Step 5: Solve for x
    x = 926,886,031,863.90/997,411.45
  6. Step 6: Final answer
    x = 929,291.55

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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.