Home / 577,025.01-865,637.15-257,290.47

Finding the Fourth Proportional to 577,025.01, 865,637.15 and 257,290.47

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Solution

The fourth proportional to 577,025.01, 865,637.15 and 257,290.47 is: 385,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,025.01 : 865,637.15 = 257,290.47 : x
  2. Step 2: Convert to fraction form
    577,025.01/865,637.15 = 257,290.47/x
  3. Step 3: Cross multiply
    577,025.01x = 865,637.15 × 257,290.47
  4. Step 4: Simplify right side
    577,025.01x = 222,720,187,886.51
  5. Step 5: Solve for x
    x = 222,720,187,886.51/577,025.01
  6. Step 6: Final answer
    x = 385,980.13

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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.