Home / 996,989.70-1,495,484.55-577,085.70

Finding the Fourth Proportional to 996,989.70, 1,495,484.55 and 577,085.70

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Solution

The fourth proportional to 996,989.70, 1,495,484.55 and 577,085.70 is: 865,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,989.70 : 1,495,484.55 = 577,085.70 : x
  2. Step 2: Convert to fraction form
    996,989.70/1,495,484.55 = 577,085.70/x
  3. Step 3: Cross multiply
    996,989.70x = 1,495,484.55 × 577,085.70
  4. Step 4: Simplify right side
    996,989.70x = 863,022,748,375.94
  5. Step 5: Solve for x
    x = 863,022,748,375.94/996,989.70
  6. Step 6: Final answer
    x = 865,628.55

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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.