Home / 1,174,455.60-1,762,374.60-426,577.20

Finding the Fourth Proportional to 1,174,455.60, 1,762,374.60 and 426,577.20

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Solution

The fourth proportional to 1,174,455.60, 1,762,374.60 and 426,577.20 is: 640,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,455.60 : 1,762,374.60 = 426,577.20 : x
  2. Step 2: Convert to fraction form
    1,174,455.60/1,762,374.60 = 426,577.20/x
  3. Step 3: Cross multiply
    1,174,455.60x = 1,762,374.60 × 426,577.20
  4. Step 4: Simplify right side
    1,174,455.60x = 751,788,822,219.12
  5. Step 5: Solve for x
    x = 751,788,822,219.12/1,174,455.60
  6. Step 6: Final answer
    x = 640,116.85

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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.