Home / 853,818.10-1,178,223.51-471,822.10

Finding the Fourth Proportional to 853,818.10, 1,178,223.51 and 471,822.10

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Solution

The fourth proportional to 853,818.10, 1,178,223.51 and 471,822.10 is: 651,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,818.10 : 1,178,223.51 = 471,822.10 : x
  2. Step 2: Convert to fraction form
    853,818.10/1,178,223.51 = 471,822.10/x
  3. Step 3: Cross multiply
    853,818.10x = 1,178,223.51 × 471,822.10
  4. Step 4: Simplify right side
    853,818.10x = 555,911,890,757.57
  5. Step 5: Solve for x
    x = 555,911,890,757.57/853,818.10
  6. Step 6: Final answer
    x = 651,089.37

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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.