Home / 389,259.47-537,194.01-245,967.23

Finding the Fourth Proportional to 389,259.47, 537,194.01 and 245,967.23

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Solution

The fourth proportional to 389,259.47, 537,194.01 and 245,967.23 is: 339,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,259.47 : 537,194.01 = 245,967.23 : x
  2. Step 2: Convert to fraction form
    389,259.47/537,194.01 = 245,967.23/x
  3. Step 3: Cross multiply
    389,259.47x = 537,194.01 × 245,967.23
  4. Step 4: Simplify right side
    389,259.47x = 132,132,119,926.32
  5. Step 5: Solve for x
    x = 132,132,119,926.32/389,259.47
  6. Step 6: Final answer
    x = 339,444.85

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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.