Home / 1,179,793.20-1,769,689.80-470,330.40

Finding the Fourth Proportional to 1,179,793.20, 1,769,689.80 and 470,330.40

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Solution

The fourth proportional to 1,179,793.20, 1,769,689.80 and 470,330.40 is: 705,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,793.20 : 1,769,689.80 = 470,330.40 : x
  2. Step 2: Convert to fraction form
    1,179,793.20/1,769,689.80 = 470,330.40/x
  3. Step 3: Cross multiply
    1,179,793.20x = 1,769,689.80 × 470,330.40
  4. Step 4: Simplify right side
    1,179,793.20x = 832,338,911,509.92
  5. Step 5: Solve for x
    x = 832,338,911,509.92/1,179,793.20
  6. Step 6: Final answer
    x = 705,495.60

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Double scale
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Similar ratio
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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.