Home / 1,455,742.60-2,183,613.90-1,329,771.40

Finding the Fourth Proportional to 1,455,742.60, 2,183,613.90 and 1,329,771.40

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Solution

The fourth proportional to 1,455,742.60, 2,183,613.90 and 1,329,771.40 is: 1,994,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,742.60 : 2,183,613.90 = 1,329,771.40 : x
  2. Step 2: Convert to fraction form
    1,455,742.60/2,183,613.90 = 1,329,771.40/x
  3. Step 3: Cross multiply
    1,455,742.60x = 2,183,613.90 × 1,329,771.40
  4. Step 4: Simplify right side
    1,455,742.60x = 2,903,707,312,862.46
  5. Step 5: Solve for x
    x = 2,903,707,312,862.46/1,455,742.60
  6. Step 6: Final answer
    x = 1,994,657.10

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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.