Home / 867,940.58-1,197,899.92-519,058.20

Finding the Fourth Proportional to 867,940.58, 1,197,899.92 and 519,058.20

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Solution

The fourth proportional to 867,940.58, 1,197,899.92 and 519,058.20 is: 716,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,940.58 : 1,197,899.92 = 519,058.20 : x
  2. Step 2: Convert to fraction form
    867,940.58/1,197,899.92 = 519,058.20/x
  3. Step 3: Cross multiply
    867,940.58x = 1,197,899.92 × 519,058.20
  4. Step 4: Simplify right side
    867,940.58x = 621,779,776,255.34
  5. Step 5: Solve for x
    x = 621,779,776,255.34/867,940.58
  6. Step 6: Final answer
    x = 716,385.19

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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.