Home / 827,824.20-1,142,140.57-483,411.70

Finding the Fourth Proportional to 827,824.20, 1,142,140.57 and 483,411.70

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Solution

The fourth proportional to 827,824.20, 1,142,140.57 and 483,411.70 is: 666,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,824.20 : 1,142,140.57 = 483,411.70 : x
  2. Step 2: Convert to fraction form
    827,824.20/1,142,140.57 = 483,411.70/x
  3. Step 3: Cross multiply
    827,824.20x = 1,142,140.57 × 483,411.70
  4. Step 4: Simplify right side
    827,824.20x = 552,124,114,582.67
  5. Step 5: Solve for x
    x = 552,124,114,582.67/827,824.20
  6. Step 6: Final answer
    x = 666,958.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.