Home / 1,790,449.08-2,686,150.96-653,316

Finding the Fourth Proportional to 1,790,449.08, 2,686,150.96 and 653,316

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Solution

The fourth proportional to 1,790,449.08, 2,686,150.96 and 653,316 is: 980,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,449.08 : 2,686,150.96 = 653,316 : x
  2. Step 2: Convert to fraction form
    1,790,449.08/2,686,150.96 = 653,316/x
  3. Step 3: Cross multiply
    1,790,449.08x = 2,686,150.96 × 653,316
  4. Step 4: Simplify right side
    1,790,449.08x = 1,754,905,400,583.36
  5. Step 5: Solve for x
    x = 1,754,905,400,583.36/1,790,449.08
  6. Step 6: Final answer
    x = 980,148.18

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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.