Home / 761,773.02-1,051,239.92-417,628.59

Finding the Fourth Proportional to 761,773.02, 1,051,239.92 and 417,628.59

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Solution

The fourth proportional to 761,773.02, 1,051,239.92 and 417,628.59 is: 576,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,773.02 : 1,051,239.92 = 417,628.59 : x
  2. Step 2: Convert to fraction form
    761,773.02/1,051,239.92 = 417,628.59/x
  3. Step 3: Cross multiply
    761,773.02x = 1,051,239.92 × 417,628.59
  4. Step 4: Simplify right side
    761,773.02x = 439,027,843,453.17
  5. Step 5: Solve for x
    x = 439,027,843,453.17/761,773.02
  6. Step 6: Final answer
    x = 576,323.70

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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.