Home / 965,139.01-1,331,893.40-535,419.15

Finding the Fourth Proportional to 965,139.01, 1,331,893.40 and 535,419.15

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Solution

The fourth proportional to 965,139.01, 1,331,893.40 and 535,419.15 is: 738,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,139.01 : 1,331,893.40 = 535,419.15 : x
  2. Step 2: Convert to fraction form
    965,139.01/1,331,893.40 = 535,419.15/x
  3. Step 3: Cross multiply
    965,139.01x = 1,331,893.40 × 535,419.15
  4. Step 4: Simplify right side
    965,139.01x = 713,121,232,118.61
  5. Step 5: Solve for x
    x = 713,121,232,118.61/965,139.01
  6. Step 6: Final answer
    x = 738,879.30

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Double scale
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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.