Home / 936,123.21-1,291,846.14-506,402.28

Finding the Fourth Proportional to 936,123.21, 1,291,846.14 and 506,402.28

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Solution

The fourth proportional to 936,123.21, 1,291,846.14 and 506,402.28 is: 698,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,123.21 : 1,291,846.14 = 506,402.28 : x
  2. Step 2: Convert to fraction form
    936,123.21/1,291,846.14 = 506,402.28/x
  3. Step 3: Cross multiply
    936,123.21x = 1,291,846.14 × 506,402.28
  4. Step 4: Simplify right side
    936,123.21x = 654,193,830,705.20
  5. Step 5: Solve for x
    x = 654,193,830,705.20/936,123.21
  6. Step 6: Final answer
    x = 698,833.04

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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.