Home / 936,588.51-1,292,492.12-506,868.64

Finding the Fourth Proportional to 936,588.51, 1,292,492.12 and 506,868.64

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Solution

The fourth proportional to 936,588.51, 1,292,492.12 and 506,868.64 is: 699,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,588.51 : 1,292,492.12 = 506,868.64 : x
  2. Step 2: Convert to fraction form
    936,588.51/1,292,492.12 = 506,868.64/x
  3. Step 3: Cross multiply
    936,588.51x = 1,292,492.12 × 506,868.64
  4. Step 4: Simplify right side
    936,588.51x = 655,123,723,075.12
  5. Step 5: Solve for x
    x = 655,123,723,075.12/936,588.51
  6. Step 6: Final answer
    x = 699,478.71

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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.