Home / 926,860.06-1,279,031.46-518,923.74

Finding the Fourth Proportional to 926,860.06, 1,279,031.46 and 518,923.74

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Solution

The fourth proportional to 926,860.06, 1,279,031.46 and 518,923.74 is: 716,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,860.06 : 1,279,031.46 = 518,923.74 : x
  2. Step 2: Convert to fraction form
    926,860.06/1,279,031.46 = 518,923.74/x
  3. Step 3: Cross multiply
    926,860.06x = 1,279,031.46 × 518,923.74
  4. Step 4: Simplify right side
    926,860.06x = 663,719,788,800.86
  5. Step 5: Solve for x
    x = 663,719,788,800.86/926,860.06
  6. Step 6: Final answer
    x = 716,094.93

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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.