Home / 905,641.26-1,249,264.52-565,519.02

Finding the Fourth Proportional to 905,641.26, 1,249,264.52 and 565,519.02

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Solution

The fourth proportional to 905,641.26, 1,249,264.52 and 565,519.02 is: 780,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,641.26 : 1,249,264.52 = 565,519.02 : x
  2. Step 2: Convert to fraction form
    905,641.26/1,249,264.52 = 565,519.02/x
  3. Step 3: Cross multiply
    905,641.26x = 1,249,264.52 × 565,519.02
  4. Step 4: Simplify right side
    905,641.26x = 706,482,841,679.53
  5. Step 5: Solve for x
    x = 706,482,841,679.53/905,641.26
  6. Step 6: Final answer
    x = 780,091.27

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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.