Home / 806,565.89-1,209,848.85-245,600.39

Finding the Fourth Proportional to 806,565.89, 1,209,848.85 and 245,600.39

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Solution

The fourth proportional to 806,565.89, 1,209,848.85 and 245,600.39 is: 368,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,565.89 : 1,209,848.85 = 245,600.39 : x
  2. Step 2: Convert to fraction form
    806,565.89/1,209,848.85 = 245,600.39/x
  3. Step 3: Cross multiply
    806,565.89x = 1,209,848.85 × 245,600.39
  4. Step 4: Simplify right side
    806,565.89x = 297,139,349,401.05
  5. Step 5: Solve for x
    x = 297,139,349,401.05/806,565.89
  6. Step 6: Final answer
    x = 368,400.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.