Home / 935,867.90-1,291,656.50-528,085.35

Finding the Fourth Proportional to 935,867.90, 1,291,656.50 and 528,085.35

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Solution

The fourth proportional to 935,867.90, 1,291,656.50 and 528,085.35 is: 728,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,867.90 : 1,291,656.50 = 528,085.35 : x
  2. Step 2: Convert to fraction form
    935,867.90/1,291,656.50 = 528,085.35/x
  3. Step 3: Cross multiply
    935,867.90x = 1,291,656.50 × 528,085.35
  4. Step 4: Simplify right side
    935,867.90x = 682,104,874,882.28
  5. Step 5: Solve for x
    x = 682,104,874,882.28/935,867.90
  6. Step 6: Final answer
    x = 728,847.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.