Home / 739,883.92-1,021,043.30-417,607.60

Finding the Fourth Proportional to 739,883.92, 1,021,043.30 and 417,607.60

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Solution

The fourth proportional to 739,883.92, 1,021,043.30 and 417,607.60 is: 576,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,883.92 : 1,021,043.30 = 417,607.60 : x
  2. Step 2: Convert to fraction form
    739,883.92/1,021,043.30 = 417,607.60/x
  3. Step 3: Cross multiply
    739,883.92x = 1,021,043.30 × 417,607.60
  4. Step 4: Simplify right side
    739,883.92x = 426,395,442,009.08
  5. Step 5: Solve for x
    x = 426,395,442,009.08/739,883.92
  6. Step 6: Final answer
    x = 576,300.46

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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.