Home / 768,824.60-1,153,347.12-236,390.34

Finding the Fourth Proportional to 768,824.60, 1,153,347.12 and 236,390.34

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Solution

The fourth proportional to 768,824.60, 1,153,347.12 and 236,390.34 is: 354,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,824.60 : 1,153,347.12 = 236,390.34 : x
  2. Step 2: Convert to fraction form
    768,824.60/1,153,347.12 = 236,390.34/x
  3. Step 3: Cross multiply
    768,824.60x = 1,153,347.12 × 236,390.34
  4. Step 4: Simplify right side
    768,824.60x = 272,640,117,834.82
  5. Step 5: Solve for x
    x = 272,640,117,834.82/768,824.60
  6. Step 6: Final answer
    x = 354,619.40

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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.