Home / 548,637.17-755,437.01-480,271.55

Finding the Fourth Proportional to 548,637.17, 755,437.01 and 480,271.55

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Solution

The fourth proportional to 548,637.17, 755,437.01 and 480,271.55 is: 661,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,637.17 : 755,437.01 = 480,271.55 : x
  2. Step 2: Convert to fraction form
    548,637.17/755,437.01 = 480,271.55/x
  3. Step 3: Cross multiply
    548,637.17x = 755,437.01 × 480,271.55
  4. Step 4: Simplify right side
    548,637.17x = 362,814,897,541.52
  5. Step 5: Solve for x
    x = 362,814,897,541.52/548,637.17
  6. Step 6: Final answer
    x = 661,302.08

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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.