Home / 905,566.20-1,249,620.93-497,659.20

Finding the Fourth Proportional to 905,566.20, 1,249,620.93 and 497,659.20

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Solution

The fourth proportional to 905,566.20, 1,249,620.93 and 497,659.20 is: 686,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,566.20 : 1,249,620.93 = 497,659.20 : x
  2. Step 2: Convert to fraction form
    905,566.20/1,249,620.93 = 497,659.20/x
  3. Step 3: Cross multiply
    905,566.20x = 1,249,620.93 × 497,659.20
  4. Step 4: Simplify right side
    905,566.20x = 621,885,352,327.06
  5. Step 5: Solve for x
    x = 621,885,352,327.06/905,566.20
  6. Step 6: Final answer
    x = 686,736.49

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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.