Home / 936,123.17-1,291,849.31-506,403.63

Finding the Fourth Proportional to 936,123.17, 1,291,849.31 and 506,403.63

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Solution

The fourth proportional to 936,123.17, 1,291,849.31 and 506,403.63 is: 698,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,123.17 : 1,291,849.31 = 506,403.63 : x
  2. Step 2: Convert to fraction form
    936,123.17/1,291,849.31 = 506,403.63/x
  3. Step 3: Cross multiply
    936,123.17x = 1,291,849.31 × 506,403.63
  4. Step 4: Simplify right side
    936,123.17x = 654,197,177,464.98
  5. Step 5: Solve for x
    x = 654,197,177,464.98/936,123.17
  6. Step 6: Final answer
    x = 698,836.65

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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.