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Finding the Fourth Proportional to 890,951.14, 1,229,521.71 and 483,053.77

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Solution

The fourth proportional to 890,951.14, 1,229,521.71 and 483,053.77 is: 666,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,951.14 : 1,229,521.71 = 483,053.77 : x
  2. Step 2: Convert to fraction form
    890,951.14/1,229,521.71 = 483,053.77/x
  3. Step 3: Cross multiply
    890,951.14x = 1,229,521.71 × 483,053.77
  4. Step 4: Simplify right side
    890,951.14x = 593,925,097,312.35
  5. Step 5: Solve for x
    x = 593,925,097,312.35/890,951.14
  6. Step 6: Final answer
    x = 666,619.16

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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.