Home / 886,561.92-1,223,438.40-484,156.80

Finding the Fourth Proportional to 886,561.92, 1,223,438.40 and 484,156.80

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Solution

The fourth proportional to 886,561.92, 1,223,438.40 and 484,156.80 is: 668,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,561.92 : 1,223,438.40 = 484,156.80 : x
  2. Step 2: Convert to fraction form
    886,561.92/1,223,438.40 = 484,156.80/x
  3. Step 3: Cross multiply
    886,561.92x = 1,223,438.40 × 484,156.80
  4. Step 4: Simplify right side
    886,561.92x = 592,336,020,741.12
  5. Step 5: Solve for x
    x = 592,336,020,741.12/886,561.92
  6. Step 6: Final answer
    x = 668,127.07

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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.