Home / 1,018,698.59-1,405,218.60-636,061.07

Finding the Fourth Proportional to 1,018,698.59, 1,405,218.60 and 636,061.07

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Solution

The fourth proportional to 1,018,698.59, 1,405,218.60 and 636,061.07 is: 877,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,698.59 : 1,405,218.60 = 636,061.07 : x
  2. Step 2: Convert to fraction form
    1,018,698.59/1,405,218.60 = 636,061.07/x
  3. Step 3: Cross multiply
    1,018,698.59x = 1,405,218.60 × 636,061.07
  4. Step 4: Simplify right side
    1,018,698.59x = 893,804,846,299.90
  5. Step 5: Solve for x
    x = 893,804,846,299.90/1,018,698.59
  6. Step 6: Final answer
    x = 877,398.73

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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.