Home / 853,818.27-1,178,293.59-466,655.19

Finding the Fourth Proportional to 853,818.27, 1,178,293.59 and 466,655.19

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Solution

The fourth proportional to 853,818.27, 1,178,293.59 and 466,655.19 is: 643,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,818.27 : 1,178,293.59 = 466,655.19 : x
  2. Step 2: Convert to fraction form
    853,818.27/1,178,293.59 = 466,655.19/x
  3. Step 3: Cross multiply
    853,818.27x = 1,178,293.59 × 466,655.19
  4. Step 4: Simplify right side
    853,818.27x = 549,856,819,117.23
  5. Step 5: Solve for x
    x = 549,856,819,117.23/853,818.27
  6. Step 6: Final answer
    x = 643,997.49

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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.