Home / 957,643.90-1,436,465.85-621,720.70

Finding the Fourth Proportional to 957,643.90, 1,436,465.85 and 621,720.70

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Solution

The fourth proportional to 957,643.90, 1,436,465.85 and 621,720.70 is: 932,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,643.90 : 1,436,465.85 = 621,720.70 : x
  2. Step 2: Convert to fraction form
    957,643.90/1,436,465.85 = 621,720.70/x
  3. Step 3: Cross multiply
    957,643.90x = 1,436,465.85 × 621,720.70
  4. Step 4: Simplify right side
    957,643.90x = 893,080,553,788.10
  5. Step 5: Solve for x
    x = 893,080,553,788.10/957,643.90
  6. Step 6: Final answer
    x = 932,581.05

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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.