Home / 936,838.57-1,292,836.17-507,118.59

Finding the Fourth Proportional to 936,838.57, 1,292,836.17 and 507,118.59

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Solution

The fourth proportional to 936,838.57, 1,292,836.17 and 507,118.59 is: 699,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,838.57 : 1,292,836.17 = 507,118.59 : x
  2. Step 2: Convert to fraction form
    936,838.57/1,292,836.17 = 507,118.59/x
  3. Step 3: Cross multiply
    936,838.57x = 1,292,836.17 × 507,118.59
  4. Step 4: Simplify right side
    936,838.57x = 655,621,255,631.40
  5. Step 5: Solve for x
    x = 655,621,255,631.40/936,838.57
  6. Step 6: Final answer
    x = 699,823.08

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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.