Home / 955,803.66-1,319,009.40-526,080.72

Finding the Fourth Proportional to 955,803.66, 1,319,009.40 and 526,080.72

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Solution

The fourth proportional to 955,803.66, 1,319,009.40 and 526,080.72 is: 725,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,803.66 : 1,319,009.40 = 526,080.72 : x
  2. Step 2: Convert to fraction form
    955,803.66/1,319,009.40 = 526,080.72/x
  3. Step 3: Cross multiply
    955,803.66x = 1,319,009.40 × 526,080.72
  4. Step 4: Simplify right side
    955,803.66x = 693,905,414,838.77
  5. Step 5: Solve for x
    x = 693,905,414,838.77/955,803.66
  6. Step 6: Final answer
    x = 725,991.59

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Double scale
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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.