Home / 936,290.40-1,292,080.80-506,570.40

Finding the Fourth Proportional to 936,290.40, 1,292,080.80 and 506,570.40

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Solution

The fourth proportional to 936,290.40, 1,292,080.80 and 506,570.40 is: 699,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,290.40 : 1,292,080.80 = 506,570.40 : x
  2. Step 2: Convert to fraction form
    936,290.40/1,292,080.80 = 506,570.40/x
  3. Step 3: Cross multiply
    936,290.40x = 1,292,080.80 × 506,570.40
  4. Step 4: Simplify right side
    936,290.40x = 654,529,887,688.32
  5. Step 5: Solve for x
    x = 654,529,887,688.32/936,290.40
  6. Step 6: Final answer
    x = 699,067.18

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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.