Home / 1,569,153.45-2,353,730.18-431,913.45

Finding the Fourth Proportional to 1,569,153.45, 2,353,730.18 and 431,913.45

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Solution

The fourth proportional to 1,569,153.45, 2,353,730.18 and 431,913.45 is: 647,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,153.45 : 2,353,730.18 = 431,913.45 : x
  2. Step 2: Convert to fraction form
    1,569,153.45/2,353,730.18 = 431,913.45/x
  3. Step 3: Cross multiply
    1,569,153.45x = 2,353,730.18 × 431,913.45
  4. Step 4: Simplify right side
    1,569,153.45x = 1,016,607,722,412.92
  5. Step 5: Solve for x
    x = 1,016,607,722,412.92/1,569,153.45
  6. Step 6: Final answer
    x = 647,870.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.