Home / 830,411.46-1,146,154.05-543,764.61

Finding the Fourth Proportional to 830,411.46, 1,146,154.05 and 543,764.61

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Solution

The fourth proportional to 830,411.46, 1,146,154.05 and 543,764.61 is: 750,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,411.46 : 1,146,154.05 = 543,764.61 : x
  2. Step 2: Convert to fraction form
    830,411.46/1,146,154.05 = 543,764.61/x
  3. Step 3: Cross multiply
    830,411.46x = 1,146,154.05 × 543,764.61
  4. Step 4: Simplify right side
    830,411.46x = 623,238,009,998.17
  5. Step 5: Solve for x
    x = 623,238,009,998.17/830,411.46
  6. Step 6: Final answer
    x = 750,517.11

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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.