Home / 996,986.70-1,495,480.05-642,401.10

Finding the Fourth Proportional to 996,986.70, 1,495,480.05 and 642,401.10

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Solution

The fourth proportional to 996,986.70, 1,495,480.05 and 642,401.10 is: 963,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,986.70 : 1,495,480.05 = 642,401.10 : x
  2. Step 2: Convert to fraction form
    996,986.70/1,495,480.05 = 642,401.10/x
  3. Step 3: Cross multiply
    996,986.70x = 1,495,480.05 × 642,401.10
  4. Step 4: Simplify right side
    996,986.70x = 960,698,029,148.06
  5. Step 5: Solve for x
    x = 960,698,029,148.06/996,986.70
  6. Step 6: Final answer
    x = 963,601.65

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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.