Home / 875,223.70-1,312,835.55-822,079.60

Finding the Fourth Proportional to 875,223.70, 1,312,835.55 and 822,079.60

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Solution

The fourth proportional to 875,223.70, 1,312,835.55 and 822,079.60 is: 1,233,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,223.70 : 1,312,835.55 = 822,079.60 : x
  2. Step 2: Convert to fraction form
    875,223.70/1,312,835.55 = 822,079.60/x
  3. Step 3: Cross multiply
    875,223.70x = 1,312,835.55 × 822,079.60
  4. Step 4: Simplify right side
    875,223.70x = 1,079,255,323,809.78
  5. Step 5: Solve for x
    x = 1,079,255,323,809.78/875,223.70
  6. Step 6: Final answer
    x = 1,233,119.40

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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.