Home / 898,158.36-1,239,459.66-495,750.36

Finding the Fourth Proportional to 898,158.36, 1,239,459.66 and 495,750.36

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Solution

The fourth proportional to 898,158.36, 1,239,459.66 and 495,750.36 is: 684,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,158.36 : 1,239,459.66 = 495,750.36 : x
  2. Step 2: Convert to fraction form
    898,158.36/1,239,459.66 = 495,750.36/x
  3. Step 3: Cross multiply
    898,158.36x = 1,239,459.66 × 495,750.36
  4. Step 4: Simplify right side
    898,158.36x = 614,462,572,650.48
  5. Step 5: Solve for x
    x = 614,462,572,650.48/898,158.36
  6. Step 6: Final answer
    x = 684,136.12

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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.