Home / 986,597.60-1,361,358.78-578,545.52

Finding the Fourth Proportional to 986,597.60, 1,361,358.78 and 578,545.52

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Solution

The fourth proportional to 986,597.60, 1,361,358.78 and 578,545.52 is: 798,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,597.60 : 1,361,358.78 = 578,545.52 : x
  2. Step 2: Convert to fraction form
    986,597.60/1,361,358.78 = 578,545.52/x
  3. Step 3: Cross multiply
    986,597.60x = 1,361,358.78 × 578,545.52
  4. Step 4: Simplify right side
    986,597.60x = 787,608,023,281.67
  5. Step 5: Solve for x
    x = 787,608,023,281.67/986,597.60
  6. Step 6: Final answer
    x = 798,307.26

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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.