Home / 867,940.58-1,197,899.93-519,058.19

Finding the Fourth Proportional to 867,940.58, 1,197,899.93 and 519,058.19

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Solution

The fourth proportional to 867,940.58, 1,197,899.93 and 519,058.19 is: 716,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,940.58 : 1,197,899.93 = 519,058.19 : x
  2. Step 2: Convert to fraction form
    867,940.58/1,197,899.93 = 519,058.19/x
  3. Step 3: Cross multiply
    867,940.58x = 1,197,899.93 × 519,058.19
  4. Step 4: Simplify right side
    867,940.58x = 621,779,769,466.93
  5. Step 5: Solve for x
    x = 621,779,769,466.93/867,940.58
  6. Step 6: Final answer
    x = 716,385.18

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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.