Home / 830,706.20-1,146,398.58-468,110.11

Finding the Fourth Proportional to 830,706.20, 1,146,398.58 and 468,110.11

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Solution

The fourth proportional to 830,706.20, 1,146,398.58 and 468,110.11 is: 646,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,706.20 : 1,146,398.58 = 468,110.11 : x
  2. Step 2: Convert to fraction form
    830,706.20/1,146,398.58 = 468,110.11/x
  3. Step 3: Cross multiply
    830,706.20x = 1,146,398.58 × 468,110.11
  4. Step 4: Simplify right side
    830,706.20x = 536,640,757,315.10
  5. Step 5: Solve for x
    x = 536,640,757,315.10/830,706.20
  6. Step 6: Final answer
    x = 646,005.48

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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.