Home / 907,116.82-1,361,515.98-458,152.98

Finding the Fourth Proportional to 907,116.82, 1,361,515.98 and 458,152.98

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Solution

The fourth proportional to 907,116.82, 1,361,515.98 and 458,152.98 is: 687,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,116.82 : 1,361,515.98 = 458,152.98 : x
  2. Step 2: Convert to fraction form
    907,116.82/1,361,515.98 = 458,152.98/x
  3. Step 3: Cross multiply
    907,116.82x = 1,361,515.98 × 458,152.98
  4. Step 4: Simplify right side
    907,116.82x = 623,782,596,747.04
  5. Step 5: Solve for x
    x = 623,782,596,747.04/907,116.82
  6. Step 6: Final answer
    x = 687,654.10

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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.