Home / 1,470,573.16-2,206,013.06-405,615.40

Finding the Fourth Proportional to 1,470,573.16, 2,206,013.06 and 405,615.40

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Solution

The fourth proportional to 1,470,573.16, 2,206,013.06 and 405,615.40 is: 608,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,573.16 : 2,206,013.06 = 405,615.40 : x
  2. Step 2: Convert to fraction form
    1,470,573.16/2,206,013.06 = 405,615.40/x
  3. Step 3: Cross multiply
    1,470,573.16x = 2,206,013.06 × 405,615.40
  4. Step 4: Simplify right side
    1,470,573.16x = 894,792,869,737.12
  5. Step 5: Solve for x
    x = 894,792,869,737.12/1,470,573.16
  6. Step 6: Final answer
    x = 608,465.39

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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.