Home / 905,644.01-1,249,268.31-565,521.77

Finding the Fourth Proportional to 905,644.01, 1,249,268.31 and 565,521.77

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Solution

The fourth proportional to 905,644.01, 1,249,268.31 and 565,521.77 is: 780,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,644.01 : 1,249,268.31 = 565,521.77 : x
  2. Step 2: Convert to fraction form
    905,644.01/1,249,268.31 = 565,521.77/x
  3. Step 3: Cross multiply
    905,644.01x = 1,249,268.31 × 565,521.77
  4. Step 4: Simplify right side
    905,644.01x = 706,488,425,876.11
  5. Step 5: Solve for x
    x = 706,488,425,876.11/905,644.01
  6. Step 6: Final answer
    x = 780,095.07

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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.