Home / 985,613.60-1,477,854.52-385,872.59

Finding the Fourth Proportional to 985,613.60, 1,477,854.52 and 385,872.59

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Solution

The fourth proportional to 985,613.60, 1,477,854.52 and 385,872.59 is: 578,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,613.60 : 1,477,854.52 = 385,872.59 : x
  2. Step 2: Convert to fraction form
    985,613.60/1,477,854.52 = 385,872.59/x
  3. Step 3: Cross multiply
    985,613.60x = 1,477,854.52 × 385,872.59
  4. Step 4: Simplify right side
    985,613.60x = 570,263,554,005.56
  5. Step 5: Solve for x
    x = 570,263,554,005.56/985,613.60
  6. Step 6: Final answer
    x = 578,587.34

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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.