Home / 926,108.61-1,389,209.51-295,071.63

Finding the Fourth Proportional to 926,108.61, 1,389,209.51 and 295,071.63

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Solution

The fourth proportional to 926,108.61, 1,389,209.51 and 295,071.63 is: 442,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,108.61 : 1,389,209.51 = 295,071.63 : x
  2. Step 2: Convert to fraction form
    926,108.61/1,389,209.51 = 295,071.63/x
  3. Step 3: Cross multiply
    926,108.61x = 1,389,209.51 × 295,071.63
  4. Step 4: Simplify right side
    926,108.61x = 409,916,320,946.91
  5. Step 5: Solve for x
    x = 409,916,320,946.91/926,108.61
  6. Step 6: Final answer
    x = 442,622.30

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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.