Home / 962,904.82-1,328,799.11-521,377.32

Finding the Fourth Proportional to 962,904.82, 1,328,799.11 and 521,377.32

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Solution

The fourth proportional to 962,904.82, 1,328,799.11 and 521,377.32 is: 719,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,904.82 : 1,328,799.11 = 521,377.32 : x
  2. Step 2: Convert to fraction form
    962,904.82/1,328,799.11 = 521,377.32/x
  3. Step 3: Cross multiply
    962,904.82x = 1,328,799.11 × 521,377.32
  4. Step 4: Simplify right side
    962,904.82x = 692,805,712,146.19
  5. Step 5: Solve for x
    x = 692,805,712,146.19/962,904.82
  6. Step 6: Final answer
    x = 719,495.53

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1.5x scale

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.