Home / 875,401.56-1,309,369.80-537,612.12

Finding the Fourth Proportional to 875,401.56, 1,309,369.80 and 537,612.12

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Solution

The fourth proportional to 875,401.56, 1,309,369.80 and 537,612.12 is: 804,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,401.56 : 1,309,369.80 = 537,612.12 : x
  2. Step 2: Convert to fraction form
    875,401.56/1,309,369.80 = 537,612.12/x
  3. Step 3: Cross multiply
    875,401.56x = 1,309,369.80 × 537,612.12
  4. Step 4: Simplify right side
    875,401.56x = 703,933,074,041.98
  5. Step 5: Solve for x
    x = 703,933,074,041.98/875,401.56
  6. Step 6: Final answer
    x = 804,125.91

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1.5x scale

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.