Home / 992,145.02-1,369,158.30-539,434.94

Finding the Fourth Proportional to 992,145.02, 1,369,158.30 and 539,434.94

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Solution

The fourth proportional to 992,145.02, 1,369,158.30 and 539,434.94 is: 744,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,145.02 : 1,369,158.30 = 539,434.94 : x
  2. Step 2: Convert to fraction form
    992,145.02/1,369,158.30 = 539,434.94/x
  3. Step 3: Cross multiply
    992,145.02x = 1,369,158.30 × 539,434.94
  4. Step 4: Simplify right side
    992,145.02x = 738,571,825,411.00
  5. Step 5: Solve for x
    x = 738,571,825,411.00/992,145.02
  6. Step 6: Final answer
    x = 744,419.22

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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.