Home / 936,139.77-1,291,868.51-506,416.14

Finding the Fourth Proportional to 936,139.77, 1,291,868.51 and 506,416.14

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Solution

The fourth proportional to 936,139.77, 1,291,868.51 and 506,416.14 is: 698,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,139.77 : 1,291,868.51 = 506,416.14 : x
  2. Step 2: Convert to fraction form
    936,139.77/1,291,868.51 = 506,416.14/x
  3. Step 3: Cross multiply
    936,139.77x = 1,291,868.51 × 506,416.14
  4. Step 4: Simplify right side
    936,139.77x = 654,223,064,221.75
  5. Step 5: Solve for x
    x = 654,223,064,221.75/936,139.77
  6. Step 6: Final answer
    x = 698,851.91

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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.