Home / 773,133.70-1,159,700.55-395,220.10

Finding the Fourth Proportional to 773,133.70, 1,159,700.55 and 395,220.10

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Solution

The fourth proportional to 773,133.70, 1,159,700.55 and 395,220.10 is: 592,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,133.70 : 1,159,700.55 = 395,220.10 : x
  2. Step 2: Convert to fraction form
    773,133.70/1,159,700.55 = 395,220.10/x
  3. Step 3: Cross multiply
    773,133.70x = 1,159,700.55 × 395,220.10
  4. Step 4: Simplify right side
    773,133.70x = 458,336,967,341.06
  5. Step 5: Solve for x
    x = 458,336,967,341.06/773,133.70
  6. Step 6: Final answer
    x = 592,830.15

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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.