Home / 1,657,633.47-2,486,864.01-578,161.53

Finding the Fourth Proportional to 1,657,633.47, 2,486,864.01 and 578,161.53

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Solution

The fourth proportional to 1,657,633.47, 2,486,864.01 and 578,161.53 is: 867,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,633.47 : 2,486,864.01 = 578,161.53 : x
  2. Step 2: Convert to fraction form
    1,657,633.47/2,486,864.01 = 578,161.53/x
  3. Step 3: Cross multiply
    1,657,633.47x = 2,486,864.01 × 578,161.53
  4. Step 4: Simplify right side
    1,657,633.47x = 1,437,809,100,923.54
  5. Step 5: Solve for x
    x = 1,437,809,100,923.54/1,657,633.47
  6. Step 6: Final answer
    x = 867,386.62

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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.