Home / 1,461,871.36-2,017,567.71-817,329.64

Finding the Fourth Proportional to 1,461,871.36, 2,017,567.71 and 817,329.64

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Solution

The fourth proportional to 1,461,871.36, 2,017,567.71 and 817,329.64 is: 1,128,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,871.36 : 2,017,567.71 = 817,329.64 : x
  2. Step 2: Convert to fraction form
    1,461,871.36/2,017,567.71 = 817,329.64/x
  3. Step 3: Cross multiply
    1,461,871.36x = 2,017,567.71 × 817,329.64
  4. Step 4: Simplify right side
    1,461,871.36x = 1,649,017,890,089.92
  5. Step 5: Solve for x
    x = 1,649,017,890,089.92/1,461,871.36
  6. Step 6: Final answer
    x = 1,128,018.47

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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.