Home / 1,173,316.50-1,619,176.78-636,772.50

Finding the Fourth Proportional to 1,173,316.50, 1,619,176.78 and 636,772.50

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Solution

The fourth proportional to 1,173,316.50, 1,619,176.78 and 636,772.50 is: 878,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,316.50 : 1,619,176.78 = 636,772.50 : x
  2. Step 2: Convert to fraction form
    1,173,316.50/1,619,176.78 = 636,772.50/x
  3. Step 3: Cross multiply
    1,173,316.50x = 1,619,176.78 × 636,772.50
  4. Step 4: Simplify right side
    1,173,316.50x = 1,031,047,246,142.55
  5. Step 5: Solve for x
    x = 1,031,047,246,142.55/1,173,316.50
  6. Step 6: Final answer
    x = 878,746.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.