Home / 502,100.77-692,915.03-275,746.27

Finding the Fourth Proportional to 502,100.77, 692,915.03 and 275,746.27

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Solution

The fourth proportional to 502,100.77, 692,915.03 and 275,746.27 is: 380,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,100.77 : 692,915.03 = 275,746.27 : x
  2. Step 2: Convert to fraction form
    502,100.77/692,915.03 = 275,746.27/x
  3. Step 3: Cross multiply
    502,100.77x = 692,915.03 × 275,746.27
  4. Step 4: Simplify right side
    502,100.77x = 191,068,733,570.71
  5. Step 5: Solve for x
    x = 191,068,733,570.71/502,100.77
  6. Step 6: Final answer
    x = 380,538.62

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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.