Home / 1,424,190.03-2,136,354.02-464,643.78

Finding the Fourth Proportional to 1,424,190.03, 2,136,354.02 and 464,643.78

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Solution

The fourth proportional to 1,424,190.03, 2,136,354.02 and 464,643.78 is: 696,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,190.03 : 2,136,354.02 = 464,643.78 : x
  2. Step 2: Convert to fraction form
    1,424,190.03/2,136,354.02 = 464,643.78/x
  3. Step 3: Cross multiply
    1,424,190.03x = 2,136,354.02 × 464,643.78
  4. Step 4: Simplify right side
    1,424,190.03x = 992,643,604,947.78
  5. Step 5: Solve for x
    x = 992,643,604,947.78/1,424,190.03
  6. Step 6: Final answer
    x = 696,988.17

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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.