Home / 740,867.98-1,111,276.68-314,129.11

Finding the Fourth Proportional to 740,867.98, 1,111,276.68 and 314,129.11

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Solution

The fourth proportional to 740,867.98, 1,111,276.68 and 314,129.11 is: 471,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,867.98 : 1,111,276.68 = 314,129.11 : x
  2. Step 2: Convert to fraction form
    740,867.98/1,111,276.68 = 314,129.11/x
  3. Step 3: Cross multiply
    740,867.98x = 1,111,276.68 × 314,129.11
  4. Step 4: Simplify right side
    740,867.98x = 349,084,354,452.16
  5. Step 5: Solve for x
    x = 349,084,354,452.16/740,867.98
  6. Step 6: Final answer
    x = 471,182.94

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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.