Home / 1,216,341.93-1,678,463.45-672,484.24

Finding the Fourth Proportional to 1,216,341.93, 1,678,463.45 and 672,484.24

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Solution

The fourth proportional to 1,216,341.93, 1,678,463.45 and 672,484.24 is: 927,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,341.93 : 1,678,463.45 = 672,484.24 : x
  2. Step 2: Convert to fraction form
    1,216,341.93/1,678,463.45 = 672,484.24/x
  3. Step 3: Cross multiply
    1,216,341.93x = 1,678,463.45 × 672,484.24
  4. Step 4: Simplify right side
    1,216,341.93x = 1,128,740,217,541.03
  5. Step 5: Solve for x
    x = 1,128,740,217,541.03/1,216,341.93
  6. Step 6: Final answer
    x = 927,979.37

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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.