Home / 936,530.32-1,292,415.10-506,810.33

Finding the Fourth Proportional to 936,530.32, 1,292,415.10 and 506,810.33

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Solution

The fourth proportional to 936,530.32, 1,292,415.10 and 506,810.33 is: 699,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,530.32 : 1,292,415.10 = 506,810.33 : x
  2. Step 2: Convert to fraction form
    936,530.32/1,292,415.10 = 506,810.33/x
  3. Step 3: Cross multiply
    936,530.32x = 1,292,415.10 × 506,810.33
  4. Step 4: Simplify right side
    936,530.32x = 655,009,320,793.93
  5. Step 5: Solve for x
    x = 655,009,320,793.93/936,530.32
  6. Step 6: Final answer
    x = 699,400.02

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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.