Home / 620,114.24-930,001.20-170,729.60

Finding the Fourth Proportional to 620,114.24, 930,001.20 and 170,729.60

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Solution

The fourth proportional to 620,114.24, 930,001.20 and 170,729.60 is: 256,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,114.24 : 930,001.20 = 170,729.60 : x
  2. Step 2: Convert to fraction form
    620,114.24/930,001.20 = 170,729.60/x
  3. Step 3: Cross multiply
    620,114.24x = 930,001.20 × 170,729.60
  4. Step 4: Simplify right side
    620,114.24x = 158,778,732,875.52
  5. Step 5: Solve for x
    x = 158,778,732,875.52/620,114.24
  6. Step 6: Final answer
    x = 256,047.55

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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.