Home / 765,460.53-1,056,335.58-443,187.45

Finding the Fourth Proportional to 765,460.53, 1,056,335.58 and 443,187.45

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Solution

The fourth proportional to 765,460.53, 1,056,335.58 and 443,187.45 is: 611,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,460.53 : 1,056,335.58 = 443,187.45 : x
  2. Step 2: Convert to fraction form
    765,460.53/1,056,335.58 = 443,187.45/x
  3. Step 3: Cross multiply
    765,460.53x = 1,056,335.58 × 443,187.45
  4. Step 4: Simplify right side
    765,460.53x = 468,154,672,044.47
  5. Step 5: Solve for x
    x = 468,154,672,044.47/765,460.53
  6. Step 6: Final answer
    x = 611,598.71

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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.