Home / 575,733.60-862,822.80-385,653.60

Finding the Fourth Proportional to 575,733.60, 862,822.80 and 385,653.60

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Solution

The fourth proportional to 575,733.60, 862,822.80 and 385,653.60 is: 577,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,733.60 : 862,822.80 = 385,653.60 : x
  2. Step 2: Convert to fraction form
    575,733.60/862,822.80 = 385,653.60/x
  3. Step 3: Cross multiply
    575,733.60x = 862,822.80 × 385,653.60
  4. Step 4: Simplify right side
    575,733.60x = 332,750,718,982.08
  5. Step 5: Solve for x
    x = 332,750,718,982.08/575,733.60
  6. Step 6: Final answer
    x = 577,959.53

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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.