Home / 936,080.58-1,291,790.32-506,359.72

Finding the Fourth Proportional to 936,080.58, 1,291,790.32 and 506,359.72

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Solution

The fourth proportional to 936,080.58, 1,291,790.32 and 506,359.72 is: 698,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,080.58 : 1,291,790.32 = 506,359.72 : x
  2. Step 2: Convert to fraction form
    936,080.58/1,291,790.32 = 506,359.72/x
  3. Step 3: Cross multiply
    936,080.58x = 1,291,790.32 × 506,359.72
  4. Step 4: Simplify right side
    936,080.58x = 654,110,584,733.91
  5. Step 5: Solve for x
    x = 654,110,584,733.91/936,080.58
  6. Step 6: Final answer
    x = 698,775.94

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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.