Home / 525,831.80-788,862.90-170,785.40

Finding the Fourth Proportional to 525,831.80, 788,862.90 and 170,785.40

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Solution

The fourth proportional to 525,831.80, 788,862.90 and 170,785.40 is: 256,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,831.80 : 788,862.90 = 170,785.40 : x
  2. Step 2: Convert to fraction form
    525,831.80/788,862.90 = 170,785.40/x
  3. Step 3: Cross multiply
    525,831.80x = 788,862.90 × 170,785.40
  4. Step 4: Simplify right side
    525,831.80x = 134,726,265,921.66
  5. Step 5: Solve for x
    x = 134,726,265,921.66/525,831.80
  6. Step 6: Final answer
    x = 256,215.52

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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.