Home / 1,685,701.80-2,528,771.40-833,209.20

Finding the Fourth Proportional to 1,685,701.80, 2,528,771.40 and 833,209.20

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Solution

The fourth proportional to 1,685,701.80, 2,528,771.40 and 833,209.20 is: 1,249,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,701.80 : 2,528,771.40 = 833,209.20 : x
  2. Step 2: Convert to fraction form
    1,685,701.80/2,528,771.40 = 833,209.20/x
  3. Step 3: Cross multiply
    1,685,701.80x = 2,528,771.40 × 833,209.20
  4. Step 4: Simplify right side
    1,685,701.80x = 2,106,995,595,176.88
  5. Step 5: Solve for x
    x = 2,106,995,595,176.88/1,685,701.80
  6. Step 6: Final answer
    x = 1,249,921.90

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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.