Home / 1,139,852.09-1,572,990.16-623,596.63

Finding the Fourth Proportional to 1,139,852.09, 1,572,990.16 and 623,596.63

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Solution

The fourth proportional to 1,139,852.09, 1,572,990.16 and 623,596.63 is: 860,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,852.09 : 1,572,990.16 = 623,596.63 : x
  2. Step 2: Convert to fraction form
    1,139,852.09/1,572,990.16 = 623,596.63/x
  3. Step 3: Cross multiply
    1,139,852.09x = 1,572,990.16 × 623,596.63
  4. Step 4: Simplify right side
    1,139,852.09x = 980,911,362,799.16
  5. Step 5: Solve for x
    x = 980,911,362,799.16/1,139,852.09
  6. Step 6: Final answer
    x = 860,560.22

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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.