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Finding the Fourth Proportional to 1,000,946.46, 1,376,826.48 and 877,832.94

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Solution

The fourth proportional to 1,000,946.46, 1,376,826.48 and 877,832.94 is: 1,207,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,946.46 : 1,376,826.48 = 877,832.94 : x
  2. Step 2: Convert to fraction form
    1,000,946.46/1,376,826.48 = 877,832.94/x
  3. Step 3: Cross multiply
    1,000,946.46x = 1,376,826.48 × 877,832.94
  4. Step 4: Simplify right side
    1,000,946.46x = 1,208,623,636,808.25
  5. Step 5: Solve for x
    x = 1,208,623,636,808.25/1,000,946.46
  6. Step 6: Final answer
    x = 1,207,480.80

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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.