Home / 913,988.40-1,261,457.51-532,240.26

Finding the Fourth Proportional to 913,988.40, 1,261,457.51 and 532,240.26

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Solution

The fourth proportional to 913,988.40, 1,261,457.51 and 532,240.26 is: 734,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,988.40 : 1,261,457.51 = 532,240.26 : x
  2. Step 2: Convert to fraction form
    913,988.40/1,261,457.51 = 532,240.26/x
  3. Step 3: Cross multiply
    913,988.40x = 1,261,457.51 × 532,240.26
  4. Step 4: Simplify right side
    913,988.40x = 671,398,473,101.35
  5. Step 5: Solve for x
    x = 671,398,473,101.35/913,988.40
  6. Step 6: Final answer
    x = 734,580.96

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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.