Home / 776,274.83-1,071,259.02-432,103.28

Finding the Fourth Proportional to 776,274.83, 1,071,259.02 and 432,103.28

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Solution

The fourth proportional to 776,274.83, 1,071,259.02 and 432,103.28 is: 596,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,274.83 : 1,071,259.02 = 432,103.28 : x
  2. Step 2: Convert to fraction form
    776,274.83/1,071,259.02 = 432,103.28/x
  3. Step 3: Cross multiply
    776,274.83x = 1,071,259.02 × 432,103.28
  4. Step 4: Simplify right side
    776,274.83x = 462,894,530,915.29
  5. Step 5: Solve for x
    x = 462,894,530,915.29/776,274.83
  6. Step 6: Final answer
    x = 596,302.39

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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.