Home / 853,824.27-1,178,281.17-466,647.51

Finding the Fourth Proportional to 853,824.27, 1,178,281.17 and 466,647.51

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Solution

The fourth proportional to 853,824.27, 1,178,281.17 and 466,647.51 is: 643,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,824.27 : 1,178,281.17 = 466,647.51 : x
  2. Step 2: Convert to fraction form
    853,824.27/1,178,281.17 = 466,647.51/x
  3. Step 3: Cross multiply
    853,824.27x = 1,178,281.17 × 466,647.51
  4. Step 4: Simplify right side
    853,824.27x = 549,841,974,060.39
  5. Step 5: Solve for x
    x = 549,841,974,060.39/853,824.27
  6. Step 6: Final answer
    x = 643,975.57

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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.