Home / 930,590.79-1,283,888.25-608,489.43

Finding the Fourth Proportional to 930,590.79, 1,283,888.25 and 608,489.43

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Solution

The fourth proportional to 930,590.79, 1,283,888.25 and 608,489.43 is: 839,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,590.79 : 1,283,888.25 = 608,489.43 : x
  2. Step 2: Convert to fraction form
    930,590.79/1,283,888.25 = 608,489.43/x
  3. Step 3: Cross multiply
    930,590.79x = 1,283,888.25 × 608,489.43
  4. Step 4: Simplify right side
    930,590.79x = 781,232,424,611.62
  5. Step 5: Solve for x
    x = 781,232,424,611.62/930,590.79
  6. Step 6: Final answer
    x = 839,501.57

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Double scale
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1.5x scale

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.