Home / 626,944.47-865,448.19-423,271.24

Finding the Fourth Proportional to 626,944.47, 865,448.19 and 423,271.24

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Solution

The fourth proportional to 626,944.47, 865,448.19 and 423,271.24 is: 584,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,944.47 : 865,448.19 = 423,271.24 : x
  2. Step 2: Convert to fraction form
    626,944.47/865,448.19 = 423,271.24/x
  3. Step 3: Cross multiply
    626,944.47x = 865,448.19 × 423,271.24
  4. Step 4: Simplify right side
    626,944.47x = 366,319,328,537.06
  5. Step 5: Solve for x
    x = 366,319,328,537.06/626,944.47
  6. Step 6: Final answer
    x = 584,293.10

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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.