Home / 1,283,153.86-1,770,566.93-710,192.67

Finding the Fourth Proportional to 1,283,153.86, 1,770,566.93 and 710,192.67

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Solution

The fourth proportional to 1,283,153.86, 1,770,566.93 and 710,192.67 is: 979,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,153.86 : 1,770,566.93 = 710,192.67 : x
  2. Step 2: Convert to fraction form
    1,283,153.86/1,770,566.93 = 710,192.67/x
  3. Step 3: Cross multiply
    1,283,153.86x = 1,770,566.93 × 710,192.67
  4. Step 4: Simplify right side
    1,283,153.86x = 1,257,443,643,026.61
  5. Step 5: Solve for x
    x = 1,257,443,643,026.61/1,283,153.86
  6. Step 6: Final answer
    x = 979,963.26

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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.