Home / 784,947.60-1,177,421.40-193,971.60

Finding the Fourth Proportional to 784,947.60, 1,177,421.40 and 193,971.60

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Solution

The fourth proportional to 784,947.60, 1,177,421.40 and 193,971.60 is: 290,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,947.60 : 1,177,421.40 = 193,971.60 : x
  2. Step 2: Convert to fraction form
    784,947.60/1,177,421.40 = 193,971.60/x
  3. Step 3: Cross multiply
    784,947.60x = 1,177,421.40 × 193,971.60
  4. Step 4: Simplify right side
    784,947.60x = 228,386,312,832.24
  5. Step 5: Solve for x
    x = 228,386,312,832.24/784,947.60
  6. Step 6: Final answer
    x = 290,957.40

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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.