Home / 905,643.51-1,249,267.62-565,521.27

Finding the Fourth Proportional to 905,643.51, 1,249,267.62 and 565,521.27

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Solution

The fourth proportional to 905,643.51, 1,249,267.62 and 565,521.27 is: 780,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,643.51 : 1,249,267.62 = 565,521.27 : x
  2. Step 2: Convert to fraction form
    905,643.51/1,249,267.62 = 565,521.27/x
  3. Step 3: Cross multiply
    905,643.51x = 1,249,267.62 × 565,521.27
  4. Step 4: Simplify right side
    905,643.51x = 706,487,411,032.28
  5. Step 5: Solve for x
    x = 706,487,411,032.28/905,643.51
  6. Step 6: Final answer
    x = 780,094.38

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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.