Home / 526,923.06-790,386.60-127,563.18

Finding the Fourth Proportional to 526,923.06, 790,386.60 and 127,563.18

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Solution

The fourth proportional to 526,923.06, 790,386.60 and 127,563.18 is: 191,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,923.06 : 790,386.60 = 127,563.18 : x
  2. Step 2: Convert to fraction form
    526,923.06/790,386.60 = 127,563.18/x
  3. Step 3: Cross multiply
    526,923.06x = 790,386.60 × 127,563.18
  4. Step 4: Simplify right side
    526,923.06x = 100,824,228,125.39
  5. Step 5: Solve for x
    x = 100,824,228,125.39/526,923.06
  6. Step 6: Final answer
    x = 191,345.26

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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.