Home / 936,534.78-1,292,417.91-506,814.93

Finding the Fourth Proportional to 936,534.78, 1,292,417.91 and 506,814.93

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Solution

The fourth proportional to 936,534.78, 1,292,417.91 and 506,814.93 is: 699,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,534.78 : 1,292,417.91 = 506,814.93 : x
  2. Step 2: Convert to fraction form
    936,534.78/1,292,417.91 = 506,814.93/x
  3. Step 3: Cross multiply
    936,534.78x = 1,292,417.91 × 506,814.93
  4. Step 4: Simplify right side
    936,534.78x = 655,016,692,587.40
  5. Step 5: Solve for x
    x = 655,016,692,587.40/936,534.78
  6. Step 6: Final answer
    x = 699,404.56

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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.