Home / 926,329.70-1,389,494.55-295,307.30

Finding the Fourth Proportional to 926,329.70, 1,389,494.55 and 295,307.30

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Solution

The fourth proportional to 926,329.70, 1,389,494.55 and 295,307.30 is: 442,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,329.70 : 1,389,494.55 = 295,307.30 : x
  2. Step 2: Convert to fraction form
    926,329.70/1,389,494.55 = 295,307.30/x
  3. Step 3: Cross multiply
    926,329.70x = 1,389,494.55 × 295,307.30
  4. Step 4: Simplify right side
    926,329.70x = 410,327,883,925.22
  5. Step 5: Solve for x
    x = 410,327,883,925.22/926,329.70
  6. Step 6: Final answer
    x = 442,960.95

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Double scale
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Similar ratio
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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.