Home / 908,856.80-1,254,074.88-526,808.96

Finding the Fourth Proportional to 908,856.80, 1,254,074.88 and 526,808.96

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Solution

The fourth proportional to 908,856.80, 1,254,074.88 and 526,808.96 is: 726,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,856.80 : 1,254,074.88 = 526,808.96 : x
  2. Step 2: Convert to fraction form
    908,856.80/1,254,074.88 = 526,808.96/x
  3. Step 3: Cross multiply
    908,856.80x = 1,254,074.88 × 526,808.96
  4. Step 4: Simplify right side
    908,856.80x = 660,657,883,294.93
  5. Step 5: Solve for x
    x = 660,657,883,294.93/908,856.80
  6. Step 6: Final answer
    x = 726,910.87

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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.