Home / 806,036.04-1,112,306.25-438,501.78

Finding the Fourth Proportional to 806,036.04, 1,112,306.25 and 438,501.78

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Solution

The fourth proportional to 806,036.04, 1,112,306.25 and 438,501.78 is: 605,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,036.04 : 1,112,306.25 = 438,501.78 : x
  2. Step 2: Convert to fraction form
    806,036.04/1,112,306.25 = 438,501.78/x
  3. Step 3: Cross multiply
    806,036.04x = 1,112,306.25 × 438,501.78
  4. Step 4: Simplify right side
    806,036.04x = 487,748,270,530.13
  5. Step 5: Solve for x
    x = 487,748,270,530.13/806,036.04
  6. Step 6: Final answer
    x = 605,119.68

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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.