Home / 497,111.36-686,013.43-270,756.86

Finding the Fourth Proportional to 497,111.36, 686,013.43 and 270,756.86

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Solution

The fourth proportional to 497,111.36, 686,013.43 and 270,756.86 is: 373,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,111.36 : 686,013.43 = 270,756.86 : x
  2. Step 2: Convert to fraction form
    497,111.36/686,013.43 = 270,756.86/x
  3. Step 3: Cross multiply
    497,111.36x = 686,013.43 × 270,756.86
  4. Step 4: Simplify right side
    497,111.36x = 185,742,842,224.63
  5. Step 5: Solve for x
    x = 185,742,842,224.63/497,111.36
  6. Step 6: Final answer
    x = 373,644.33

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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.