Home / 838,220.86-1,156,712.64-475,623.10

Finding the Fourth Proportional to 838,220.86, 1,156,712.64 and 475,623.10

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Solution

The fourth proportional to 838,220.86, 1,156,712.64 and 475,623.10 is: 656,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,220.86 : 1,156,712.64 = 475,623.10 : x
  2. Step 2: Convert to fraction form
    838,220.86/1,156,712.64 = 475,623.10/x
  3. Step 3: Cross multiply
    838,220.86x = 1,156,712.64 × 475,623.10
  4. Step 4: Simplify right side
    838,220.86x = 550,159,251,645.98
  5. Step 5: Solve for x
    x = 550,159,251,645.98/838,220.86
  6. Step 6: Final answer
    x = 656,341.64

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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.