Home / 1,018,849.17-1,405,426.38-636,211.65

Finding the Fourth Proportional to 1,018,849.17, 1,405,426.38 and 636,211.65

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Solution

The fourth proportional to 1,018,849.17, 1,405,426.38 and 636,211.65 is: 877,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,849.17 : 1,405,426.38 = 636,211.65 : x
  2. Step 2: Convert to fraction form
    1,018,849.17/1,405,426.38 = 636,211.65/x
  3. Step 3: Cross multiply
    1,018,849.17x = 1,405,426.38 × 636,211.65
  4. Step 4: Simplify right side
    1,018,849.17x = 894,148,632,992.27
  5. Step 5: Solve for x
    x = 894,148,632,992.27/1,018,849.17
  6. Step 6: Final answer
    x = 877,606.48

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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.