Home / 875,223.20-1,312,834.80-822,079.10

Finding the Fourth Proportional to 875,223.20, 1,312,834.80 and 822,079.10

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Solution

The fourth proportional to 875,223.20, 1,312,834.80 and 822,079.10 is: 1,233,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,223.20 : 1,312,834.80 = 822,079.10 : x
  2. Step 2: Convert to fraction form
    875,223.20/1,312,834.80 = 822,079.10/x
  3. Step 3: Cross multiply
    875,223.20x = 1,312,834.80 × 822,079.10
  4. Step 4: Simplify right side
    875,223.20x = 1,079,254,050,832.68
  5. Step 5: Solve for x
    x = 1,079,254,050,832.68/875,223.20
  6. Step 6: Final answer
    x = 1,233,118.65

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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.