Home / 460,399.24-690,657.18-127,975.24

Finding the Fourth Proportional to 460,399.24, 690,657.18 and 127,975.24

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Solution

The fourth proportional to 460,399.24, 690,657.18 and 127,975.24 is: 191,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,399.24 : 690,657.18 = 127,975.24 : x
  2. Step 2: Convert to fraction form
    460,399.24/690,657.18 = 127,975.24/x
  3. Step 3: Cross multiply
    460,399.24x = 690,657.18 × 127,975.24
  4. Step 4: Simplify right side
    460,399.24x = 88,387,018,368.22
  5. Step 5: Solve for x
    x = 88,387,018,368.22/460,399.24
  6. Step 6: Final answer
    x = 191,979.07

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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.