Home / 1,230,113.26-1,697,557.02-686,249.04

Finding the Fourth Proportional to 1,230,113.26, 1,697,557.02 and 686,249.04

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Solution

The fourth proportional to 1,230,113.26, 1,697,557.02 and 686,249.04 is: 947,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,113.26 : 1,697,557.02 = 686,249.04 : x
  2. Step 2: Convert to fraction form
    1,230,113.26/1,697,557.02 = 686,249.04/x
  3. Step 3: Cross multiply
    1,230,113.26x = 1,697,557.02 × 686,249.04
  4. Step 4: Simplify right side
    1,230,113.26x = 1,164,946,875,320.26
  5. Step 5: Solve for x
    x = 1,164,946,875,320.26/1,230,113.26
  6. Step 6: Final answer
    x = 947,024.08

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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.