Home / 898,100.19-1,238,948.46-607,813.20

Finding the Fourth Proportional to 898,100.19, 1,238,948.46 and 607,813.20

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Solution

The fourth proportional to 898,100.19, 1,238,948.46 and 607,813.20 is: 838,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,100.19 : 1,238,948.46 = 607,813.20 : x
  2. Step 2: Convert to fraction form
    898,100.19/1,238,948.46 = 607,813.20/x
  3. Step 3: Cross multiply
    898,100.19x = 1,238,948.46 × 607,813.20
  4. Step 4: Simplify right side
    898,100.19x = 753,049,228,107.67
  5. Step 5: Solve for x
    x = 753,049,228,107.67/898,100.19
  6. Step 6: Final answer
    x = 838,491.34

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Double scale
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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.