Home / 852,436.46-1,176,345.64-465,254.66

Finding the Fourth Proportional to 852,436.46, 1,176,345.64 and 465,254.66

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Solution

The fourth proportional to 852,436.46, 1,176,345.64 and 465,254.66 is: 642,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,436.46 : 1,176,345.64 = 465,254.66 : x
  2. Step 2: Convert to fraction form
    852,436.46/1,176,345.64 = 465,254.66/x
  3. Step 3: Cross multiply
    852,436.46x = 1,176,345.64 × 465,254.66
  4. Step 4: Simplify right side
    852,436.46x = 547,300,290,780.68
  5. Step 5: Solve for x
    x = 547,300,290,780.68/852,436.46
  6. Step 6: Final answer
    x = 642,042.33

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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.