Home / 1,158,316.30-1,735,961.26-645,961

Finding the Fourth Proportional to 1,158,316.30, 1,735,961.26 and 645,961

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Solution

The fourth proportional to 1,158,316.30, 1,735,961.26 and 645,961 is: 968,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,316.30 : 1,735,961.26 = 645,961 : x
  2. Step 2: Convert to fraction form
    1,158,316.30/1,735,961.26 = 645,961/x
  3. Step 3: Cross multiply
    1,158,316.30x = 1,735,961.26 × 645,961
  4. Step 4: Simplify right side
    1,158,316.30x = 1,121,363,271,470.86
  5. Step 5: Solve for x
    x = 1,121,363,271,470.86/1,158,316.30
  6. Step 6: Final answer
    x = 968,097.64

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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.