Home / 932,244.71-1,285,766.83-638,068.79

Finding the Fourth Proportional to 932,244.71, 1,285,766.83 and 638,068.79

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Solution

The fourth proportional to 932,244.71, 1,285,766.83 and 638,068.79 is: 880,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,244.71 : 1,285,766.83 = 638,068.79 : x
  2. Step 2: Convert to fraction form
    932,244.71/1,285,766.83 = 638,068.79/x
  3. Step 3: Cross multiply
    932,244.71x = 1,285,766.83 × 638,068.79
  4. Step 4: Simplify right side
    932,244.71x = 820,407,685,440.24
  5. Step 5: Solve for x
    x = 820,407,685,440.24/932,244.71
  6. Step 6: Final answer
    x = 880,034.69

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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.