Home / 907,653.40-1,249,860.07-887,513.96

Finding the Fourth Proportional to 907,653.40, 1,249,860.07 and 887,513.96

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Solution

The fourth proportional to 907,653.40, 1,249,860.07 and 887,513.96 is: 1,222,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,653.40 : 1,249,860.07 = 887,513.96 : x
  2. Step 2: Convert to fraction form
    907,653.40/1,249,860.07 = 887,513.96/x
  3. Step 3: Cross multiply
    907,653.40x = 1,249,860.07 × 887,513.96
  4. Step 4: Simplify right side
    907,653.40x = 1,109,268,264,405.62
  5. Step 5: Solve for x
    x = 1,109,268,264,405.62/907,653.40
  6. Step 6: Final answer
    x = 1,222,127.60

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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.