Home / 1,237,930.99-1,708,259.22-686,594.66

Finding the Fourth Proportional to 1,237,930.99, 1,708,259.22 and 686,594.66

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Solution

The fourth proportional to 1,237,930.99, 1,708,259.22 and 686,594.66 is: 947,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,930.99 : 1,708,259.22 = 686,594.66 : x
  2. Step 2: Convert to fraction form
    1,237,930.99/1,708,259.22 = 686,594.66/x
  3. Step 3: Cross multiply
    1,237,930.99x = 1,708,259.22 × 686,594.66
  4. Step 4: Simplify right side
    1,237,930.99x = 1,172,881,658,347.77
  5. Step 5: Solve for x
    x = 1,172,881,658,347.77/1,237,930.99
  6. Step 6: Final answer
    x = 947,453.18

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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.