Home / 1,230,582.52-1,698,200.49-686,712.52

Finding the Fourth Proportional to 1,230,582.52, 1,698,200.49 and 686,712.52

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Solution

The fourth proportional to 1,230,582.52, 1,698,200.49 and 686,712.52 is: 947,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,582.52 : 1,698,200.49 = 686,712.52 : x
  2. Step 2: Convert to fraction form
    1,230,582.52/1,698,200.49 = 686,712.52/x
  3. Step 3: Cross multiply
    1,230,582.52x = 1,698,200.49 × 686,712.52
  4. Step 4: Simplify right side
    1,230,582.52x = 1,166,175,537,953.13
  5. Step 5: Solve for x
    x = 1,166,175,537,953.13/1,230,582.52
  6. Step 6: Final answer
    x = 947,661.39

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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.