Home / 1,165,155.12-1,748,153.52-407,108.16

Finding the Fourth Proportional to 1,165,155.12, 1,748,153.52 and 407,108.16

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Solution

The fourth proportional to 1,165,155.12, 1,748,153.52 and 407,108.16 is: 610,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,155.12 : 1,748,153.52 = 407,108.16 : x
  2. Step 2: Convert to fraction form
    1,165,155.12/1,748,153.52 = 407,108.16/x
  3. Step 3: Cross multiply
    1,165,155.12x = 1,748,153.52 × 407,108.16
  4. Step 4: Simplify right side
    1,165,155.12x = 711,687,562,924.72
  5. Step 5: Solve for x
    x = 711,687,562,924.72/1,165,155.12
  6. Step 6: Final answer
    x = 610,809.28

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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.