Home / 875,407.60-1,312,333.80-576,031.60

Finding the Fourth Proportional to 875,407.60, 1,312,333.80 and 576,031.60

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Solution

The fourth proportional to 875,407.60, 1,312,333.80 and 576,031.60 is: 863,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,407.60 : 1,312,333.80 = 576,031.60 : x
  2. Step 2: Convert to fraction form
    875,407.60/1,312,333.80 = 576,031.60/x
  3. Step 3: Cross multiply
    875,407.60x = 1,312,333.80 × 576,031.60
  4. Step 4: Simplify right side
    875,407.60x = 755,945,738,548.08
  5. Step 5: Solve for x
    x = 755,945,738,548.08/875,407.60
  6. Step 6: Final answer
    x = 863,535.73

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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.