Home / 936,141-1,291,867.56-506,414.94

Finding the Fourth Proportional to 936,141, 1,291,867.56 and 506,414.94

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Solution

The fourth proportional to 936,141, 1,291,867.56 and 506,414.94 is: 698,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,141 : 1,291,867.56 = 506,414.94 : x
  2. Step 2: Convert to fraction form
    936,141/1,291,867.56 = 506,414.94/x
  3. Step 3: Cross multiply
    936,141x = 1,291,867.56 × 506,414.94
  4. Step 4: Simplify right side
    936,141x = 654,221,032,885.35
  5. Step 5: Solve for x
    x = 654,221,032,885.35/936,141
  6. Step 6: Final answer
    x = 698,848.82

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1.5x scale

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.