Home / 818,356.06-1,226,746.76-419,184.82

Finding the Fourth Proportional to 818,356.06, 1,226,746.76 and 419,184.82

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Solution

The fourth proportional to 818,356.06, 1,226,746.76 and 419,184.82 is: 628,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,356.06 : 1,226,746.76 = 419,184.82 : x
  2. Step 2: Convert to fraction form
    818,356.06/1,226,746.76 = 419,184.82/x
  3. Step 3: Cross multiply
    818,356.06x = 1,226,746.76 × 419,184.82
  4. Step 4: Simplify right side
    818,356.06x = 514,233,613,642.45
  5. Step 5: Solve for x
    x = 514,233,613,642.45/818,356.06
  6. Step 6: Final answer
    x = 628,373.93

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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.