Home / 500,272.02-690,370.14-270,824.16

Finding the Fourth Proportional to 500,272.02, 690,370.14 and 270,824.16

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Solution

The fourth proportional to 500,272.02, 690,370.14 and 270,824.16 is: 373,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,272.02 : 690,370.14 = 270,824.16 : x
  2. Step 2: Convert to fraction form
    500,272.02/690,370.14 = 270,824.16/x
  3. Step 3: Cross multiply
    500,272.02x = 690,370.14 × 270,824.16
  4. Step 4: Simplify right side
    500,272.02x = 186,968,913,254.58
  5. Step 5: Solve for x
    x = 186,968,913,254.58/500,272.02
  6. Step 6: Final answer
    x = 373,734.50

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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.