Home / 853,805.36-1,178,275.79-466,642.27

Finding the Fourth Proportional to 853,805.36, 1,178,275.79 and 466,642.27

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Solution

The fourth proportional to 853,805.36, 1,178,275.79 and 466,642.27 is: 643,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,805.36 : 1,178,275.79 = 466,642.27 : x
  2. Step 2: Convert to fraction form
    853,805.36/1,178,275.79 = 466,642.27/x
  3. Step 3: Cross multiply
    853,805.36x = 1,178,275.79 × 466,642.27
  4. Step 4: Simplify right side
    853,805.36x = 549,833,289,944.12
  5. Step 5: Solve for x
    x = 549,833,289,944.12/853,805.36
  6. Step 6: Final answer
    x = 643,979.66

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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.