Home / 661,236.71-912,606.37-403,263.35

Finding the Fourth Proportional to 661,236.71, 912,606.37 and 403,263.35

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Solution

The fourth proportional to 661,236.71, 912,606.37 and 403,263.35 is: 556,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,236.71 : 912,606.37 = 403,263.35 : x
  2. Step 2: Convert to fraction form
    661,236.71/912,606.37 = 403,263.35/x
  3. Step 3: Cross multiply
    661,236.71x = 912,606.37 × 403,263.35
  4. Step 4: Simplify right side
    661,236.71x = 368,020,699,848.62
  5. Step 5: Solve for x
    x = 368,020,699,848.62/661,236.71
  6. Step 6: Final answer
    x = 556,564.23

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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.