Home / 1,154,140.20-1,731,210.30-622,699.20

Finding the Fourth Proportional to 1,154,140.20, 1,731,210.30 and 622,699.20

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Solution

The fourth proportional to 1,154,140.20, 1,731,210.30 and 622,699.20 is: 934,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,140.20 : 1,731,210.30 = 622,699.20 : x
  2. Step 2: Convert to fraction form
    1,154,140.20/1,731,210.30 = 622,699.20/x
  3. Step 3: Cross multiply
    1,154,140.20x = 1,731,210.30 × 622,699.20
  4. Step 4: Simplify right side
    1,154,140.20x = 1,078,023,268,841.76
  5. Step 5: Solve for x
    x = 1,078,023,268,841.76/1,154,140.20
  6. Step 6: Final answer
    x = 934,048.80

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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.