Home / 853,013.88-1,177,419.69-526,426.74

Finding the Fourth Proportional to 853,013.88, 1,177,419.69 and 526,426.74

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Solution

The fourth proportional to 853,013.88, 1,177,419.69 and 526,426.74 is: 726,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,013.88 : 1,177,419.69 = 526,426.74 : x
  2. Step 2: Convert to fraction form
    853,013.88/1,177,419.69 = 526,426.74/x
  3. Step 3: Cross multiply
    853,013.88x = 1,177,419.69 × 526,426.74
  4. Step 4: Simplify right side
    853,013.88x = 619,825,209,018.51
  5. Step 5: Solve for x
    x = 619,825,209,018.51/853,013.88
  6. Step 6: Final answer
    x = 726,629.69

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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.