Home / 1,205,172.30-1,806,487.47-395,345.25

Finding the Fourth Proportional to 1,205,172.30, 1,806,487.47 and 395,345.25

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Solution

The fourth proportional to 1,205,172.30, 1,806,487.47 and 395,345.25 is: 592,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,172.30 : 1,806,487.47 = 395,345.25 : x
  2. Step 2: Convert to fraction form
    1,205,172.30/1,806,487.47 = 395,345.25/x
  3. Step 3: Cross multiply
    1,205,172.30x = 1,806,487.47 × 395,345.25
  4. Step 4: Simplify right side
    1,205,172.30x = 714,186,240,449.02
  5. Step 5: Solve for x
    x = 714,186,240,449.02/1,205,172.30
  6. Step 6: Final answer
    x = 592,600.94

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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.