Home / 1,101,421.51-1,519,461.06-714,334.56

Finding the Fourth Proportional to 1,101,421.51, 1,519,461.06 and 714,334.56

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Solution

The fourth proportional to 1,101,421.51, 1,519,461.06 and 714,334.56 is: 985,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,421.51 : 1,519,461.06 = 714,334.56 : x
  2. Step 2: Convert to fraction form
    1,101,421.51/1,519,461.06 = 714,334.56/x
  3. Step 3: Cross multiply
    1,101,421.51x = 1,519,461.06 × 714,334.56
  4. Step 4: Simplify right side
    1,101,421.51x = 1,085,403,545,946.40
  5. Step 5: Solve for x
    x = 1,085,403,545,946.40/1,101,421.51
  6. Step 6: Final answer
    x = 985,457.01

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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.