Home / 684,100.89-943,570.22-522,676.60

Finding the Fourth Proportional to 684,100.89, 943,570.22 and 522,676.60

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Solution

The fourth proportional to 684,100.89, 943,570.22 and 522,676.60 is: 720,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,100.89 : 943,570.22 = 522,676.60 : x
  2. Step 2: Convert to fraction form
    684,100.89/943,570.22 = 522,676.60/x
  3. Step 3: Cross multiply
    684,100.89x = 943,570.22 × 522,676.60
  4. Step 4: Simplify right side
    684,100.89x = 493,182,069,478.54
  5. Step 5: Solve for x
    x = 493,182,069,478.54/684,100.89
  6. Step 6: Final answer
    x = 720,920.08

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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.