Home / 588,867.75-812,637.54-320,595.75

Finding the Fourth Proportional to 588,867.75, 812,637.54 and 320,595.75

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Solution

The fourth proportional to 588,867.75, 812,637.54 and 320,595.75 is: 442,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,867.75 : 812,637.54 = 320,595.75 : x
  2. Step 2: Convert to fraction form
    588,867.75/812,637.54 = 320,595.75/x
  3. Step 3: Cross multiply
    588,867.75x = 812,637.54 × 320,595.75
  4. Step 4: Simplify right side
    588,867.75x = 260,528,141,614.46
  5. Step 5: Solve for x
    x = 260,528,141,614.46/588,867.75
  6. Step 6: Final answer
    x = 442,422.16

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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.