Home / 1,285,063.32-1,773,397.80-712,113.06

Finding the Fourth Proportional to 1,285,063.32, 1,773,397.80 and 712,113.06

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Solution

The fourth proportional to 1,285,063.32, 1,773,397.80 and 712,113.06 is: 982,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,063.32 : 1,773,397.80 = 712,113.06 : x
  2. Step 2: Convert to fraction form
    1,285,063.32/1,773,397.80 = 712,113.06/x
  3. Step 3: Cross multiply
    1,285,063.32x = 1,773,397.80 × 712,113.06
  4. Step 4: Simplify right side
    1,285,063.32x = 1,262,859,733,955.27
  5. Step 5: Solve for x
    x = 1,262,859,733,955.27/1,285,063.32
  6. Step 6: Final answer
    x = 982,721.80

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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.