Home / 626,981.32-865,234.02-340,501.48

Finding the Fourth Proportional to 626,981.32, 865,234.02 and 340,501.48

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Solution

The fourth proportional to 626,981.32, 865,234.02 and 340,501.48 is: 469,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,981.32 : 865,234.02 = 340,501.48 : x
  2. Step 2: Convert to fraction form
    626,981.32/865,234.02 = 340,501.48/x
  3. Step 3: Cross multiply
    626,981.32x = 865,234.02 × 340,501.48
  4. Step 4: Simplify right side
    626,981.32x = 294,613,464,356.35
  5. Step 5: Solve for x
    x = 294,613,464,356.35/626,981.32
  6. Step 6: Final answer
    x = 469,891.93

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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.