Home / 877,568.20-1,316,352.30-727,977.40

Finding the Fourth Proportional to 877,568.20, 1,316,352.30 and 727,977.40

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Solution

The fourth proportional to 877,568.20, 1,316,352.30 and 727,977.40 is: 1,091,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,568.20 : 1,316,352.30 = 727,977.40 : x
  2. Step 2: Convert to fraction form
    877,568.20/1,316,352.30 = 727,977.40/x
  3. Step 3: Cross multiply
    877,568.20x = 1,316,352.30 × 727,977.40
  4. Step 4: Simplify right side
    877,568.20x = 958,274,724,838.02
  5. Step 5: Solve for x
    x = 958,274,724,838.02/877,568.20
  6. Step 6: Final answer
    x = 1,091,966.10

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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.