Home / 1,685,599.80-2,528,399.70-977,449.20

Finding the Fourth Proportional to 1,685,599.80, 2,528,399.70 and 977,449.20

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Solution

The fourth proportional to 1,685,599.80, 2,528,399.70 and 977,449.20 is: 1,466,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,599.80 : 2,528,399.70 = 977,449.20 : x
  2. Step 2: Convert to fraction form
    1,685,599.80/2,528,399.70 = 977,449.20/x
  3. Step 3: Cross multiply
    1,685,599.80x = 2,528,399.70 × 977,449.20
  4. Step 4: Simplify right side
    1,685,599.80x = 2,471,382,264,045.24
  5. Step 5: Solve for x
    x = 2,471,382,264,045.24/1,685,599.80
  6. Step 6: Final answer
    x = 1,466,173.80

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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.