Home / 526,914.30-790,373.48-127,554.43

Finding the Fourth Proportional to 526,914.30, 790,373.48 and 127,554.43

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Solution

The fourth proportional to 526,914.30, 790,373.48 and 127,554.43 is: 191,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,914.30 : 790,373.48 = 127,554.43 : x
  2. Step 2: Convert to fraction form
    526,914.30/790,373.48 = 127,554.43/x
  3. Step 3: Cross multiply
    526,914.30x = 790,373.48 × 127,554.43
  4. Step 4: Simplify right side
    526,914.30x = 100,815,638,728.52
  5. Step 5: Solve for x
    x = 100,815,638,728.52/526,914.30
  6. Step 6: Final answer
    x = 191,332.14

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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.