Home / 761,225.52-1,050,476.76-421,696.56

Finding the Fourth Proportional to 761,225.52, 1,050,476.76 and 421,696.56

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Solution

The fourth proportional to 761,225.52, 1,050,476.76 and 421,696.56 is: 581,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,225.52 : 1,050,476.76 = 421,696.56 : x
  2. Step 2: Convert to fraction form
    761,225.52/1,050,476.76 = 421,696.56/x
  3. Step 3: Cross multiply
    761,225.52x = 1,050,476.76 × 421,696.56
  4. Step 4: Simplify right side
    761,225.52x = 442,982,436,051.95
  5. Step 5: Solve for x
    x = 442,982,436,051.95/761,225.52
  6. Step 6: Final answer
    x = 581,933.24

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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.