Home / 1,158,164.64-1,736,820-399,813.12

Finding the Fourth Proportional to 1,158,164.64, 1,736,820 and 399,813.12

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Solution

The fourth proportional to 1,158,164.64, 1,736,820 and 399,813.12 is: 599,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,164.64 : 1,736,820 = 399,813.12 : x
  2. Step 2: Convert to fraction form
    1,158,164.64/1,736,820 = 399,813.12/x
  3. Step 3: Cross multiply
    1,158,164.64x = 1,736,820 × 399,813.12
  4. Step 4: Simplify right side
    1,158,164.64x = 694,403,423,078.40
  5. Step 5: Solve for x
    x = 694,403,423,078.40/1,158,164.64
  6. Step 6: Final answer
    x = 599,572.29

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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.