Home / 996,985.70-1,495,478.55-577,081.70

Finding the Fourth Proportional to 996,985.70, 1,495,478.55 and 577,081.70

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Solution

The fourth proportional to 996,985.70, 1,495,478.55 and 577,081.70 is: 865,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,985.70 : 1,495,478.55 = 577,081.70 : x
  2. Step 2: Convert to fraction form
    996,985.70/1,495,478.55 = 577,081.70/x
  3. Step 3: Cross multiply
    996,985.70x = 1,495,478.55 × 577,081.70
  4. Step 4: Simplify right side
    996,985.70x = 863,013,303,947.54
  5. Step 5: Solve for x
    x = 863,013,303,947.54/996,985.70
  6. Step 6: Final answer
    x = 865,622.55

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Double scale
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Similar ratio
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1.5x scale

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.