Home / 936,588.78-1,292,492.43-506,869.00

Finding the Fourth Proportional to 936,588.78, 1,292,492.43 and 506,869.00

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Solution

The fourth proportional to 936,588.78, 1,292,492.43 and 506,869.00 is: 699,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,588.78 : 1,292,492.43 = 506,869.00 : x
  2. Step 2: Convert to fraction form
    936,588.78/1,292,492.43 = 506,869.00/x
  3. Step 3: Cross multiply
    936,588.78x = 1,292,492.43 × 506,869.00
  4. Step 4: Simplify right side
    936,588.78x = 655,124,342,270.44
  5. Step 5: Solve for x
    x = 655,124,342,270.44/936,588.78
  6. Step 6: Final answer
    x = 699,479.17

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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.