Home / 1,216,526.92-1,678,688.74-672,588.28

Finding the Fourth Proportional to 1,216,526.92, 1,678,688.74 and 672,588.28

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Solution

The fourth proportional to 1,216,526.92, 1,678,688.74 and 672,588.28 is: 928,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,526.92 : 1,678,688.74 = 672,588.28 : x
  2. Step 2: Convert to fraction form
    1,216,526.92/1,678,688.74 = 672,588.28/x
  3. Step 3: Cross multiply
    1,216,526.92x = 1,678,688.74 × 672,588.28
  4. Step 4: Simplify right side
    1,216,526.92x = 1,129,066,372,291.97
  5. Step 5: Solve for x
    x = 1,129,066,372,291.97/1,216,526.92
  6. Step 6: Final answer
    x = 928,106.36

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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.