Home / 822,904.20-1,234,356.30-817,655.40

Finding the Fourth Proportional to 822,904.20, 1,234,356.30 and 817,655.40

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Solution

The fourth proportional to 822,904.20, 1,234,356.30 and 817,655.40 is: 1,226,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,904.20 : 1,234,356.30 = 817,655.40 : x
  2. Step 2: Convert to fraction form
    822,904.20/1,234,356.30 = 817,655.40/x
  3. Step 3: Cross multiply
    822,904.20x = 1,234,356.30 × 817,655.40
  4. Step 4: Simplify right side
    822,904.20x = 1,009,278,094,219.02
  5. Step 5: Solve for x
    x = 1,009,278,094,219.02/822,904.20
  6. Step 6: Final answer
    x = 1,226,483.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.