Home / 1,249,100-1,723,991.52-712,556

Finding the Fourth Proportional to 1,249,100, 1,723,991.52 and 712,556

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Solution

The fourth proportional to 1,249,100, 1,723,991.52 and 712,556 is: 983,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,100 : 1,723,991.52 = 712,556 : x
  2. Step 2: Convert to fraction form
    1,249,100/1,723,991.52 = 712,556/x
  3. Step 3: Cross multiply
    1,249,100x = 1,723,991.52 × 712,556
  4. Step 4: Simplify right side
    1,249,100x = 1,228,440,501,525.12
  5. Step 5: Solve for x
    x = 1,228,440,501,525.12/1,249,100
  6. Step 6: Final answer
    x = 983,460.49

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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.