Home / 830,705.52-1,246,058.16-199,619.34

Finding the Fourth Proportional to 830,705.52, 1,246,058.16 and 199,619.34

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Solution

The fourth proportional to 830,705.52, 1,246,058.16 and 199,619.34 is: 299,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,705.52 : 1,246,058.16 = 199,619.34 : x
  2. Step 2: Convert to fraction form
    830,705.52/1,246,058.16 = 199,619.34/x
  3. Step 3: Cross multiply
    830,705.52x = 1,246,058.16 × 199,619.34
  4. Step 4: Simplify right side
    830,705.52x = 248,737,307,500.81
  5. Step 5: Solve for x
    x = 248,737,307,500.81/830,705.52
  6. Step 6: Final answer
    x = 299,428.98

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1.5x scale

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.