Home / 537,721.02-742,071.80-292,722.16

Finding the Fourth Proportional to 537,721.02, 742,071.80 and 292,722.16

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Solution

The fourth proportional to 537,721.02, 742,071.80 and 292,722.16 is: 403,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,721.02 : 742,071.80 = 292,722.16 : x
  2. Step 2: Convert to fraction form
    537,721.02/742,071.80 = 292,722.16/x
  3. Step 3: Cross multiply
    537,721.02x = 742,071.80 × 292,722.16
  4. Step 4: Simplify right side
    537,721.02x = 217,220,860,171.09
  5. Step 5: Solve for x
    x = 217,220,860,171.09/537,721.02
  6. Step 6: Final answer
    x = 403,965.72

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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.