Home / 1,154,043-1,592,550-644,749.20

Finding the Fourth Proportional to 1,154,043, 1,592,550 and 644,749.20

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Solution

The fourth proportional to 1,154,043, 1,592,550 and 644,749.20 is: 889,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,043 : 1,592,550 = 644,749.20 : x
  2. Step 2: Convert to fraction form
    1,154,043/1,592,550 = 644,749.20/x
  3. Step 3: Cross multiply
    1,154,043x = 1,592,550 × 644,749.20
  4. Step 4: Simplify right side
    1,154,043x = 1,026,795,338,460.00
  5. Step 5: Solve for x
    x = 1,026,795,338,460.00/1,154,043
  6. Step 6: Final answer
    x = 889,737.50

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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.