Home / 977,506.20-1,465,603.20-472,309.20

Finding the Fourth Proportional to 977,506.20, 1,465,603.20 and 472,309.20

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Solution

The fourth proportional to 977,506.20, 1,465,603.20 and 472,309.20 is: 708,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,506.20 : 1,465,603.20 = 472,309.20 : x
  2. Step 2: Convert to fraction form
    977,506.20/1,465,603.20 = 472,309.20/x
  3. Step 3: Cross multiply
    977,506.20x = 1,465,603.20 × 472,309.20
  4. Step 4: Simplify right side
    977,506.20x = 692,217,874,909.44
  5. Step 5: Solve for x
    x = 692,217,874,909.44/977,506.20
  6. Step 6: Final answer
    x = 708,146.79

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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.