Home / 1,287,006.10-1,776,281.61-714,230.26

Finding the Fourth Proportional to 1,287,006.10, 1,776,281.61 and 714,230.26

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Solution

The fourth proportional to 1,287,006.10, 1,776,281.61 and 714,230.26 is: 985,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,006.10 : 1,776,281.61 = 714,230.26 : x
  2. Step 2: Convert to fraction form
    1,287,006.10/1,776,281.61 = 714,230.26/x
  3. Step 3: Cross multiply
    1,287,006.10x = 1,776,281.61 × 714,230.26
  4. Step 4: Simplify right side
    1,287,006.10x = 1,268,674,076,143.52
  5. Step 5: Solve for x
    x = 1,268,674,076,143.52/1,287,006.10
  6. Step 6: Final answer
    x = 985,756.07

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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.