Home / 1,790,452.08-2,686,155.46-653,319

Finding the Fourth Proportional to 1,790,452.08, 2,686,155.46 and 653,319

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Solution

The fourth proportional to 1,790,452.08, 2,686,155.46 and 653,319 is: 980,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,452.08 : 2,686,155.46 = 653,319 : x
  2. Step 2: Convert to fraction form
    1,790,452.08/2,686,155.46 = 653,319/x
  3. Step 3: Cross multiply
    1,790,452.08x = 2,686,155.46 × 653,319
  4. Step 4: Simplify right side
    1,790,452.08x = 1,754,916,398,971.74
  5. Step 5: Solve for x
    x = 1,754,916,398,971.74/1,790,452.08
  6. Step 6: Final answer
    x = 980,152.68

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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.