Home / 1,464,071.20-2,196,106.80-961,806.40

Finding the Fourth Proportional to 1,464,071.20, 2,196,106.80 and 961,806.40

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Solution

The fourth proportional to 1,464,071.20, 2,196,106.80 and 961,806.40 is: 1,442,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,071.20 : 2,196,106.80 = 961,806.40 : x
  2. Step 2: Convert to fraction form
    1,464,071.20/2,196,106.80 = 961,806.40/x
  3. Step 3: Cross multiply
    1,464,071.20x = 2,196,106.80 × 961,806.40
  4. Step 4: Simplify right side
    1,464,071.20x = 2,112,229,575,323.52
  5. Step 5: Solve for x
    x = 2,112,229,575,323.52/1,464,071.20
  6. Step 6: Final answer
    x = 1,442,709.60

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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.