Home / 724,205.80-999,891.30-554,136.04

Finding the Fourth Proportional to 724,205.80, 999,891.30 and 554,136.04

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Solution

The fourth proportional to 724,205.80, 999,891.30 and 554,136.04 is: 765,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,205.80 : 999,891.30 = 554,136.04 : x
  2. Step 2: Convert to fraction form
    724,205.80/999,891.30 = 554,136.04/x
  3. Step 3: Cross multiply
    724,205.80x = 999,891.30 × 554,136.04
  4. Step 4: Simplify right side
    724,205.80x = 554,075,805,412.45
  5. Step 5: Solve for x
    x = 554,075,805,412.45/724,205.80
  6. Step 6: Final answer
    x = 765,080.60

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1.5x scale

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.