Home / 906,070.90-1,360,156.23-486,166.90

Finding the Fourth Proportional to 906,070.90, 1,360,156.23 and 486,166.90

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Solution

The fourth proportional to 906,070.90, 1,360,156.23 and 486,166.90 is: 729,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,070.90 : 1,360,156.23 = 486,166.90 : x
  2. Step 2: Convert to fraction form
    906,070.90/1,360,156.23 = 486,166.90/x
  3. Step 3: Cross multiply
    906,070.90x = 1,360,156.23 × 486,166.90
  4. Step 4: Simplify right side
    906,070.90x = 661,262,937,854.79
  5. Step 5: Solve for x
    x = 661,262,937,854.79/906,070.90
  6. Step 6: Final answer
    x = 729,813.68

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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.