Home / 1,118,684.40-1,543,776.56-609,386.80

Finding the Fourth Proportional to 1,118,684.40, 1,543,776.56 and 609,386.80

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Solution

The fourth proportional to 1,118,684.40, 1,543,776.56 and 609,386.80 is: 840,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,684.40 : 1,543,776.56 = 609,386.80 : x
  2. Step 2: Convert to fraction form
    1,118,684.40/1,543,776.56 = 609,386.80/x
  3. Step 3: Cross multiply
    1,118,684.40x = 1,543,776.56 × 609,386.80
  4. Step 4: Simplify right side
    1,118,684.40x = 940,757,057,813.41
  5. Step 5: Solve for x
    x = 940,757,057,813.41/1,118,684.40
  6. Step 6: Final answer
    x = 840,949.47

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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.