Home / 688,436.68-950,054.82-382,541.32

Finding the Fourth Proportional to 688,436.68, 950,054.82 and 382,541.32

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Solution

The fourth proportional to 688,436.68, 950,054.82 and 382,541.32 is: 527,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,436.68 : 950,054.82 = 382,541.32 : x
  2. Step 2: Convert to fraction form
    688,436.68/950,054.82 = 382,541.32/x
  3. Step 3: Cross multiply
    688,436.68x = 950,054.82 × 382,541.32
  4. Step 4: Simplify right side
    688,436.68x = 363,435,224,915.16
  5. Step 5: Solve for x
    x = 363,435,224,915.16/688,436.68
  6. Step 6: Final answer
    x = 527,913.80

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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.