Home / 779,331.30-1,076,219.92-736,873.68

Finding the Fourth Proportional to 779,331.30, 1,076,219.92 and 736,873.68

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Solution

The fourth proportional to 779,331.30, 1,076,219.92 and 736,873.68 is: 1,017,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,331.30 : 1,076,219.92 = 736,873.68 : x
  2. Step 2: Convert to fraction form
    779,331.30/1,076,219.92 = 736,873.68/x
  3. Step 3: Cross multiply
    779,331.30x = 1,076,219.92 × 736,873.68
  4. Step 4: Simplify right side
    779,331.30x = 793,038,133,894.91
  5. Step 5: Solve for x
    x = 793,038,133,894.91/779,331.30
  6. Step 6: Final answer
    x = 1,017,587.94

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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.