Home / 830,816.40-1,146,527.20-448,843.04

Finding the Fourth Proportional to 830,816.40, 1,146,527.20 and 448,843.04

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Solution

The fourth proportional to 830,816.40, 1,146,527.20 and 448,843.04 is: 619,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,816.40 : 1,146,527.20 = 448,843.04 : x
  2. Step 2: Convert to fraction form
    830,816.40/1,146,527.20 = 448,843.04/x
  3. Step 3: Cross multiply
    830,816.40x = 1,146,527.20 × 448,843.04
  4. Step 4: Simplify right side
    830,816.40x = 514,610,753,890.69
  5. Step 5: Solve for x
    x = 514,610,753,890.69/830,816.40
  6. Step 6: Final answer
    x = 619,403.70

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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.