Home / 688,560.32-950,152.75-382,617.32

Finding the Fourth Proportional to 688,560.32, 950,152.75 and 382,617.32

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Solution

The fourth proportional to 688,560.32, 950,152.75 and 382,617.32 is: 527,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,560.32 : 950,152.75 = 382,617.32 : x
  2. Step 2: Convert to fraction form
    688,560.32/950,152.75 = 382,617.32/x
  3. Step 3: Cross multiply
    688,560.32x = 950,152.75 × 382,617.32
  4. Step 4: Simplify right side
    688,560.32x = 363,544,893,088.32
  5. Step 5: Solve for x
    x = 363,544,893,088.32/688,560.32
  6. Step 6: Final answer
    x = 527,978.28

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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.