Home / 907,434.30-1,361,151.45-623,999.10

Finding the Fourth Proportional to 907,434.30, 1,361,151.45 and 623,999.10

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Solution

The fourth proportional to 907,434.30, 1,361,151.45 and 623,999.10 is: 935,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,434.30 : 1,361,151.45 = 623,999.10 : x
  2. Step 2: Convert to fraction form
    907,434.30/1,361,151.45 = 623,999.10/x
  3. Step 3: Cross multiply
    907,434.30x = 1,361,151.45 × 623,999.10
  4. Step 4: Simplify right side
    907,434.30x = 849,357,279,763.70
  5. Step 5: Solve for x
    x = 849,357,279,763.70/907,434.30
  6. Step 6: Final answer
    x = 935,998.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.