Home / 1,259,741.16-1,738,460.88-686,810.34

Finding the Fourth Proportional to 1,259,741.16, 1,738,460.88 and 686,810.34

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Solution

The fourth proportional to 1,259,741.16, 1,738,460.88 and 686,810.34 is: 947,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,741.16 : 1,738,460.88 = 686,810.34 : x
  2. Step 2: Convert to fraction form
    1,259,741.16/1,738,460.88 = 686,810.34/x
  3. Step 3: Cross multiply
    1,259,741.16x = 1,738,460.88 × 686,810.34
  4. Step 4: Simplify right side
    1,259,741.16x = 1,193,992,908,069.50
  5. Step 5: Solve for x
    x = 1,193,992,908,069.50/1,259,741.16
  6. Step 6: Final answer
    x = 947,808.13

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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.