Home / 626,941.47-865,444.05-423,268.25

Finding the Fourth Proportional to 626,941.47, 865,444.05 and 423,268.25

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Solution

The fourth proportional to 626,941.47, 865,444.05 and 423,268.25 is: 584,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,941.47 : 865,444.05 = 423,268.25 : x
  2. Step 2: Convert to fraction form
    626,941.47/865,444.05 = 423,268.25/x
  3. Step 3: Cross multiply
    626,941.47x = 865,444.05 × 423,268.25
  4. Step 4: Simplify right side
    626,941.47x = 366,314,988,516.41
  5. Step 5: Solve for x
    x = 366,314,988,516.41/626,941.47
  6. Step 6: Final answer
    x = 584,288.97

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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.