Home / 909,353.26-1,254,855.90-565,180.36

Finding the Fourth Proportional to 909,353.26, 1,254,855.90 and 565,180.36

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Solution

The fourth proportional to 909,353.26, 1,254,855.90 and 565,180.36 is: 779,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,353.26 : 1,254,855.90 = 565,180.36 : x
  2. Step 2: Convert to fraction form
    909,353.26/1,254,855.90 = 565,180.36/x
  3. Step 3: Cross multiply
    909,353.26x = 1,254,855.90 × 565,180.36
  4. Step 4: Simplify right side
    909,353.26x = 709,219,909,310.12
  5. Step 5: Solve for x
    x = 709,219,909,310.12/909,353.26
  6. Step 6: Final answer
    x = 779,916.83

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1.5x scale

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.