Home / 740,365.60-1,109,900.40-502,938.40

Finding the Fourth Proportional to 740,365.60, 1,109,900.40 and 502,938.40

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Solution

The fourth proportional to 740,365.60, 1,109,900.40 and 502,938.40 is: 753,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,365.60 : 1,109,900.40 = 502,938.40 : x
  2. Step 2: Convert to fraction form
    740,365.60/1,109,900.40 = 502,938.40/x
  3. Step 3: Cross multiply
    740,365.60x = 1,109,900.40 × 502,938.40
  4. Step 4: Simplify right side
    740,365.60x = 558,211,531,335.36
  5. Step 5: Solve for x
    x = 558,211,531,335.36/740,365.60
  6. Step 6: Final answer
    x = 753,967.41

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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.