Home / 626,961.33-865,471.52-423,288.18

Finding the Fourth Proportional to 626,961.33, 865,471.52 and 423,288.18

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Solution

The fourth proportional to 626,961.33, 865,471.52 and 423,288.18 is: 584,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,961.33 : 865,471.52 = 423,288.18 : x
  2. Step 2: Convert to fraction form
    626,961.33/865,471.52 = 423,288.18/x
  3. Step 3: Cross multiply
    626,961.33x = 865,471.52 × 423,288.18
  4. Step 4: Simplify right side
    626,961.33x = 366,343,862,426.19
  5. Step 5: Solve for x
    x = 366,343,862,426.19/626,961.33
  6. Step 6: Final answer
    x = 584,316.52

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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.