Home / 1,569,392.85-2,165,688.32-871,718.89

Finding the Fourth Proportional to 1,569,392.85, 2,165,688.32 and 871,718.89

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Solution

The fourth proportional to 1,569,392.85, 2,165,688.32 and 871,718.89 is: 1,202,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,392.85 : 2,165,688.32 = 871,718.89 : x
  2. Step 2: Convert to fraction form
    1,569,392.85/2,165,688.32 = 871,718.89/x
  3. Step 3: Cross multiply
    1,569,392.85x = 2,165,688.32 × 871,718.89
  4. Step 4: Simplify right side
    1,569,392.85x = 1,887,871,418,396.36
  5. Step 5: Solve for x
    x = 1,887,871,418,396.36/1,569,392.85
  6. Step 6: Final answer
    x = 1,202,931.07

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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.