Home / 1,312,819.71-1,969,054.57-366,111.15

Finding the Fourth Proportional to 1,312,819.71, 1,969,054.57 and 366,111.15

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Solution

The fourth proportional to 1,312,819.71, 1,969,054.57 and 366,111.15 is: 549,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,819.71 : 1,969,054.57 = 366,111.15 : x
  2. Step 2: Convert to fraction form
    1,312,819.71/1,969,054.57 = 366,111.15/x
  3. Step 3: Cross multiply
    1,312,819.71x = 1,969,054.57 × 366,111.15
  4. Step 4: Simplify right side
    1,312,819.71x = 720,892,833,035.46
  5. Step 5: Solve for x
    x = 720,892,833,035.46/1,312,819.71
  6. Step 6: Final answer
    x = 549,117.92

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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.