Home / 671,572.40-1,007,536.80-292,330.40

Finding the Fourth Proportional to 671,572.40, 1,007,536.80 and 292,330.40

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Solution

The fourth proportional to 671,572.40, 1,007,536.80 and 292,330.40 is: 438,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,572.40 : 1,007,536.80 = 292,330.40 : x
  2. Step 2: Convert to fraction form
    671,572.40/1,007,536.80 = 292,330.40/x
  3. Step 3: Cross multiply
    671,572.40x = 1,007,536.80 × 292,330.40
  4. Step 4: Simplify right side
    671,572.40x = 294,533,635,758.72
  5. Step 5: Solve for x
    x = 294,533,635,758.72/671,572.40
  6. Step 6: Final answer
    x = 438,573.17

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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.