Home / 636,973.93-878,923.64-364,989.52

Finding the Fourth Proportional to 636,973.93, 878,923.64 and 364,989.52

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Solution

The fourth proportional to 636,973.93, 878,923.64 and 364,989.52 is: 503,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,973.93 : 878,923.64 = 364,989.52 : x
  2. Step 2: Convert to fraction form
    636,973.93/878,923.64 = 364,989.52/x
  3. Step 3: Cross multiply
    636,973.93x = 878,923.64 × 364,989.52
  4. Step 4: Simplify right side
    636,973.93x = 320,797,911,260.69
  5. Step 5: Solve for x
    x = 320,797,911,260.69/636,973.93
  6. Step 6: Final answer
    x = 503,628.01

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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.