Home / 867,886.04-1,197,732.12-485,909.48

Finding the Fourth Proportional to 867,886.04, 1,197,732.12 and 485,909.48

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Solution

The fourth proportional to 867,886.04, 1,197,732.12 and 485,909.48 is: 670,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,886.04 : 1,197,732.12 = 485,909.48 : x
  2. Step 2: Convert to fraction form
    867,886.04/1,197,732.12 = 485,909.48/x
  3. Step 3: Cross multiply
    867,886.04x = 1,197,732.12 × 485,909.48
  4. Step 4: Simplify right side
    867,886.04x = 581,989,392,780.67
  5. Step 5: Solve for x
    x = 581,989,392,780.67/867,886.04
  6. Step 6: Final answer
    x = 670,582.73

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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.