Home / 1,480,603.20-2,220,904.80-1,312,313.55

Finding the Fourth Proportional to 1,480,603.20, 2,220,904.80 and 1,312,313.55

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Solution

The fourth proportional to 1,480,603.20, 2,220,904.80 and 1,312,313.55 is: 1,968,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,603.20 : 2,220,904.80 = 1,312,313.55 : x
  2. Step 2: Convert to fraction form
    1,480,603.20/2,220,904.80 = 1,312,313.55/x
  3. Step 3: Cross multiply
    1,480,603.20x = 2,220,904.80 × 1,312,313.55
  4. Step 4: Simplify right side
    1,480,603.20x = 2,914,523,462,300.04
  5. Step 5: Solve for x
    x = 2,914,523,462,300.04/1,480,603.20
  6. Step 6: Final answer
    x = 1,968,470.33

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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.