Home / 1,423,215.47-1,965,234.08-1,016,564.69

Finding the Fourth Proportional to 1,423,215.47, 1,965,234.08 and 1,016,564.69

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Solution

The fourth proportional to 1,423,215.47, 1,965,234.08 and 1,016,564.69 is: 1,403,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,215.47 : 1,965,234.08 = 1,016,564.69 : x
  2. Step 2: Convert to fraction form
    1,423,215.47/1,965,234.08 = 1,016,564.69/x
  3. Step 3: Cross multiply
    1,423,215.47x = 1,965,234.08 × 1,016,564.69
  4. Step 4: Simplify right side
    1,423,215.47x = 1,997,787,573,312.64
  5. Step 5: Solve for x
    x = 1,997,787,573,312.64/1,423,215.47
  6. Step 6: Final answer
    x = 1,403,714.07

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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.