Home / 1,445,176.98-1,993,221.54-986,661.18

Finding the Fourth Proportional to 1,445,176.98, 1,993,221.54 and 986,661.18

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Solution

The fourth proportional to 1,445,176.98, 1,993,221.54 and 986,661.18 is: 1,360,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,176.98 : 1,993,221.54 = 986,661.18 : x
  2. Step 2: Convert to fraction form
    1,445,176.98/1,993,221.54 = 986,661.18/x
  3. Step 3: Cross multiply
    1,445,176.98x = 1,993,221.54 × 986,661.18
  4. Step 4: Simplify right side
    1,445,176.98x = 1,966,634,316,657.82
  5. Step 5: Solve for x
    x = 1,966,634,316,657.82/1,445,176.98
  6. Step 6: Final answer
    x = 1,360,825.94

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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.