Home / 830,980.19-1,246,108.25-441,401.34

Finding the Fourth Proportional to 830,980.19, 1,246,108.25 and 441,401.34

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Solution

The fourth proportional to 830,980.19, 1,246,108.25 and 441,401.34 is: 661,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,980.19 : 1,246,108.25 = 441,401.34 : x
  2. Step 2: Convert to fraction form
    830,980.19/1,246,108.25 = 441,401.34/x
  3. Step 3: Cross multiply
    830,980.19x = 1,246,108.25 × 441,401.34
  4. Step 4: Simplify right side
    830,980.19x = 550,033,848,349.77
  5. Step 5: Solve for x
    x = 550,033,848,349.77/830,980.19
  6. Step 6: Final answer
    x = 661,909.70

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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.