Home / 1,995,421.60-2,993,569.80-647,354.80

Finding the Fourth Proportional to 1,995,421.60, 2,993,569.80 and 647,354.80

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Solution

The fourth proportional to 1,995,421.60, 2,993,569.80 and 647,354.80 is: 971,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,421.60 : 2,993,569.80 = 647,354.80 : x
  2. Step 2: Convert to fraction form
    1,995,421.60/2,993,569.80 = 647,354.80/x
  3. Step 3: Cross multiply
    1,995,421.60x = 2,993,569.80 × 647,354.80
  4. Step 4: Simplify right side
    1,995,421.60x = 1,937,901,779,165.04
  5. Step 5: Solve for x
    x = 1,937,901,779,165.04/1,995,421.60
  6. Step 6: Final answer
    x = 971,174.10

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1.5x scale

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.