Home / 561,210.15-774,457.43-306,562.35

Finding the Fourth Proportional to 561,210.15, 774,457.43 and 306,562.35

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Solution

The fourth proportional to 561,210.15, 774,457.43 and 306,562.35 is: 423,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,210.15 : 774,457.43 = 306,562.35 : x
  2. Step 2: Convert to fraction form
    561,210.15/774,457.43 = 306,562.35/x
  3. Step 3: Cross multiply
    561,210.15x = 774,457.43 × 306,562.35
  4. Step 4: Simplify right side
    561,210.15x = 237,419,488,182.95
  5. Step 5: Solve for x
    x = 237,419,488,182.95/561,210.15
  6. Step 6: Final answer
    x = 423,049.17

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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.