Home / 457,024.02-630,685.40-253,070.58

Finding the Fourth Proportional to 457,024.02, 630,685.40 and 253,070.58

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Solution

The fourth proportional to 457,024.02, 630,685.40 and 253,070.58 is: 349,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,024.02 : 630,685.40 = 253,070.58 : x
  2. Step 2: Convert to fraction form
    457,024.02/630,685.40 = 253,070.58/x
  3. Step 3: Cross multiply
    457,024.02x = 630,685.40 × 253,070.58
  4. Step 4: Simplify right side
    457,024.02x = 159,607,919,975.53
  5. Step 5: Solve for x
    x = 159,607,919,975.53/457,024.02
  6. Step 6: Final answer
    x = 349,233.11

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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.