Home / 853,307.79-1,177,542.20-471,326.37

Finding the Fourth Proportional to 853,307.79, 1,177,542.20 and 471,326.37

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Solution

The fourth proportional to 853,307.79, 1,177,542.20 and 471,326.37 is: 650,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,307.79 : 1,177,542.20 = 471,326.37 : x
  2. Step 2: Convert to fraction form
    853,307.79/1,177,542.20 = 471,326.37/x
  3. Step 3: Cross multiply
    853,307.79x = 1,177,542.20 × 471,326.37
  4. Step 4: Simplify right side
    853,307.79x = 555,006,688,291.18
  5. Step 5: Solve for x
    x = 555,006,688,291.18/853,307.79
  6. Step 6: Final answer
    x = 650,417.93

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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.