Home / 1,153,798.40-1,730,697.60-405,747.20

Finding the Fourth Proportional to 1,153,798.40, 1,730,697.60 and 405,747.20

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Solution

The fourth proportional to 1,153,798.40, 1,730,697.60 and 405,747.20 is: 608,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,798.40 : 1,730,697.60 = 405,747.20 : x
  2. Step 2: Convert to fraction form
    1,153,798.40/1,730,697.60 = 405,747.20/x
  3. Step 3: Cross multiply
    1,153,798.40x = 1,730,697.60 × 405,747.20
  4. Step 4: Simplify right side
    1,153,798.40x = 702,225,705,246.72
  5. Step 5: Solve for x
    x = 702,225,705,246.72/1,153,798.40
  6. Step 6: Final answer
    x = 608,620.80

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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.