Home / 1,689,259.03-2,331,176.71-914,889.91

Finding the Fourth Proportional to 1,689,259.03, 2,331,176.71 and 914,889.91

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Solution

The fourth proportional to 1,689,259.03, 2,331,176.71 and 914,889.91 is: 1,262,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,259.03 : 2,331,176.71 = 914,889.91 : x
  2. Step 2: Convert to fraction form
    1,689,259.03/2,331,176.71 = 914,889.91/x
  3. Step 3: Cross multiply
    1,689,259.03x = 2,331,176.71 × 914,889.91
  4. Step 4: Simplify right side
    1,689,259.03x = 2,132,770,050,406.00
  5. Step 5: Solve for x
    x = 2,132,770,050,406.00/1,689,259.03
  6. Step 6: Final answer
    x = 1,262,547.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.