Home / 909,338.40-1,254,884.40-527,588.64

Finding the Fourth Proportional to 909,338.40, 1,254,884.40 and 527,588.64

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Solution

The fourth proportional to 909,338.40, 1,254,884.40 and 527,588.64 is: 728,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,338.40 : 1,254,884.40 = 527,588.64 : x
  2. Step 2: Convert to fraction form
    909,338.40/1,254,884.40 = 527,588.64/x
  3. Step 3: Cross multiply
    909,338.40x = 1,254,884.40 × 527,588.64
  4. Step 4: Simplify right side
    909,338.40x = 662,062,753,953.22
  5. Step 5: Solve for x
    x = 662,062,753,953.22/909,338.40
  6. Step 6: Final answer
    x = 728,070.82

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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.