Home / 766,803.84-1,058,184.54-417,943.86

Finding the Fourth Proportional to 766,803.84, 1,058,184.54 and 417,943.86

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Solution

The fourth proportional to 766,803.84, 1,058,184.54 and 417,943.86 is: 576,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,803.84 : 1,058,184.54 = 417,943.86 : x
  2. Step 2: Convert to fraction form
    766,803.84/1,058,184.54 = 417,943.86/x
  3. Step 3: Cross multiply
    766,803.84x = 1,058,184.54 × 417,943.86
  4. Step 4: Simplify right side
    766,803.84x = 442,261,731,239.92
  5. Step 5: Solve for x
    x = 442,261,731,239.92/766,803.84
  6. Step 6: Final answer
    x = 576,759.93

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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.