Home / 502,114.48-692,915.28-272,669.72

Finding the Fourth Proportional to 502,114.48, 692,915.28 and 272,669.72

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Solution

The fourth proportional to 502,114.48, 692,915.28 and 272,669.72 is: 376,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,114.48 : 692,915.28 = 272,669.72 : x
  2. Step 2: Convert to fraction form
    502,114.48/692,915.28 = 272,669.72/x
  3. Step 3: Cross multiply
    502,114.48x = 692,915.28 × 272,669.72
  4. Step 4: Simplify right side
    502,114.48x = 188,937,015,381.32
  5. Step 5: Solve for x
    x = 188,937,015,381.32/502,114.48
  6. Step 6: Final answer
    x = 376,282.75

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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.