Home / 1,216,496.37-1,678,646.63-672,557.68

Finding the Fourth Proportional to 1,216,496.37, 1,678,646.63 and 672,557.68

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Solution

The fourth proportional to 1,216,496.37, 1,678,646.63 and 672,557.68 is: 928,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,496.37 : 1,678,646.63 = 672,557.68 : x
  2. Step 2: Convert to fraction form
    1,216,496.37/1,678,646.63 = 672,557.68/x
  3. Step 3: Cross multiply
    1,216,496.37x = 1,678,646.63 × 672,557.68
  4. Step 4: Simplify right side
    1,216,496.37x = 1,128,986,686,792.32
  5. Step 5: Solve for x
    x = 1,128,986,686,792.32/1,216,496.37
  6. Step 6: Final answer
    x = 928,064.16

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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.