Home / 898,986.53-1,240,639.13-517,013.62

Finding the Fourth Proportional to 898,986.53, 1,240,639.13 and 517,013.62

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Solution

The fourth proportional to 898,986.53, 1,240,639.13 and 517,013.62 is: 713,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,986.53 : 1,240,639.13 = 517,013.62 : x
  2. Step 2: Convert to fraction form
    898,986.53/1,240,639.13 = 517,013.62/x
  3. Step 3: Cross multiply
    898,986.53x = 1,240,639.13 × 517,013.62
  4. Step 4: Simplify right side
    898,986.53x = 641,427,327,714.95
  5. Step 5: Solve for x
    x = 641,427,327,714.95/898,986.53
  6. Step 6: Final answer
    x = 713,500.49

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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.