Home / 898,152.10-1,239,449.13-495,743.14

Finding the Fourth Proportional to 898,152.10, 1,239,449.13 and 495,743.14

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Solution

The fourth proportional to 898,152.10, 1,239,449.13 and 495,743.14 is: 684,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,152.10 : 1,239,449.13 = 495,743.14 : x
  2. Step 2: Convert to fraction form
    898,152.10/1,239,449.13 = 495,743.14/x
  3. Step 3: Cross multiply
    898,152.10x = 1,239,449.13 × 495,743.14
  4. Step 4: Simplify right side
    898,152.10x = 614,448,403,576.47
  5. Step 5: Solve for x
    x = 614,448,403,576.47/898,152.10
  6. Step 6: Final answer
    x = 684,125.11

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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.