Home / 374,684.72-516,458.04-292,870.40

Finding the Fourth Proportional to 374,684.72, 516,458.04 and 292,870.40

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Solution

The fourth proportional to 374,684.72, 516,458.04 and 292,870.40 is: 403,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,684.72 : 516,458.04 = 292,870.40 : x
  2. Step 2: Convert to fraction form
    374,684.72/516,458.04 = 292,870.40/x
  3. Step 3: Cross multiply
    374,684.72x = 516,458.04 × 292,870.40
  4. Step 4: Simplify right side
    374,684.72x = 151,255,272,758.02
  5. Step 5: Solve for x
    x = 151,255,272,758.02/374,684.72
  6. Step 6: Final answer
    x = 403,686.79

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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.