Home / 626,942.47-865,445.44-423,269.26

Finding the Fourth Proportional to 626,942.47, 865,445.44 and 423,269.26

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Solution

The fourth proportional to 626,942.47, 865,445.44 and 423,269.26 is: 584,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,942.47 : 865,445.44 = 423,269.26 : x
  2. Step 2: Convert to fraction form
    626,942.47/865,445.44 = 423,269.26/x
  3. Step 3: Cross multiply
    626,942.47x = 865,445.44 × 423,269.26
  4. Step 4: Simplify right side
    626,942.47x = 366,316,450,959.17
  5. Step 5: Solve for x
    x = 366,316,450,959.17/626,942.47
  6. Step 6: Final answer
    x = 584,290.38

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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.