Home / 1,265,236.16-1,746,047.76-692,326.40

Finding the Fourth Proportional to 1,265,236.16, 1,746,047.76 and 692,326.40

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Solution

The fourth proportional to 1,265,236.16, 1,746,047.76 and 692,326.40 is: 955,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,236.16 : 1,746,047.76 = 692,326.40 : x
  2. Step 2: Convert to fraction form
    1,265,236.16/1,746,047.76 = 692,326.40/x
  3. Step 3: Cross multiply
    1,265,236.16x = 1,746,047.76 × 692,326.40
  4. Step 4: Simplify right side
    1,265,236.16x = 1,208,834,959,908.86
  5. Step 5: Solve for x
    x = 1,208,834,959,908.86/1,265,236.16
  6. Step 6: Final answer
    x = 955,422.39

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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.