Home / 955,809.69-1,319,006.97-526,080.57

Finding the Fourth Proportional to 955,809.69, 1,319,006.97 and 526,080.57

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Solution

The fourth proportional to 955,809.69, 1,319,006.97 and 526,080.57 is: 725,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,809.69 : 1,319,006.97 = 526,080.57 : x
  2. Step 2: Convert to fraction form
    955,809.69/1,319,006.97 = 526,080.57/x
  3. Step 3: Cross multiply
    955,809.69x = 1,319,006.97 × 526,080.57
  4. Step 4: Simplify right side
    955,809.69x = 693,903,938,611.57
  5. Step 5: Solve for x
    x = 693,903,938,611.57/955,809.69
  6. Step 6: Final answer
    x = 725,985.46

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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.