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Finding the Fourth Proportional to 1,155,793.60, 1,733,690.40 and 736,926.40

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Solution

The fourth proportional to 1,155,793.60, 1,733,690.40 and 736,926.40 is: 1,105,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,793.60 : 1,733,690.40 = 736,926.40 : x
  2. Step 2: Convert to fraction form
    1,155,793.60/1,733,690.40 = 736,926.40/x
  3. Step 3: Cross multiply
    1,155,793.60x = 1,733,690.40 × 736,926.40
  4. Step 4: Simplify right side
    1,155,793.60x = 1,277,602,225,186.56
  5. Step 5: Solve for x
    x = 1,277,602,225,186.56/1,155,793.60
  6. Step 6: Final answer
    x = 1,105,389.60

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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.