Home / 928,205.74-1,281,002.27-520,301.08

Finding the Fourth Proportional to 928,205.74, 1,281,002.27 and 520,301.08

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Solution

The fourth proportional to 928,205.74, 1,281,002.27 and 520,301.08 is: 718,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,205.74 : 1,281,002.27 = 520,301.08 : x
  2. Step 2: Convert to fraction form
    928,205.74/1,281,002.27 = 520,301.08/x
  3. Step 3: Cross multiply
    928,205.74x = 1,281,002.27 × 520,301.08
  4. Step 4: Simplify right side
    928,205.74x = 666,506,864,563.45
  5. Step 5: Solve for x
    x = 666,506,864,563.45/928,205.74
  6. Step 6: Final answer
    x = 718,059.41

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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.