Home / 817,008.53-1,127,455.56-454,424.58

Finding the Fourth Proportional to 817,008.53, 1,127,455.56 and 454,424.58

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Solution

The fourth proportional to 817,008.53, 1,127,455.56 and 454,424.58 is: 627,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,008.53 : 1,127,455.56 = 454,424.58 : x
  2. Step 2: Convert to fraction form
    817,008.53/1,127,455.56 = 454,424.58/x
  3. Step 3: Cross multiply
    817,008.53x = 1,127,455.56 × 454,424.58
  4. Step 4: Simplify right side
    817,008.53x = 512,343,519,321.67
  5. Step 5: Solve for x
    x = 512,343,519,321.67/817,008.53
  6. Step 6: Final answer
    x = 627,096.91

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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.