Home / 1,623,699.40-2,240,709.51-898,597.12

Finding the Fourth Proportional to 1,623,699.40, 2,240,709.51 and 898,597.12

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Solution

The fourth proportional to 1,623,699.40, 2,240,709.51 and 898,597.12 is: 1,240,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,699.40 : 2,240,709.51 = 898,597.12 : x
  2. Step 2: Convert to fraction form
    1,623,699.40/2,240,709.51 = 898,597.12/x
  3. Step 3: Cross multiply
    1,623,699.40x = 2,240,709.51 × 898,597.12
  4. Step 4: Simplify right side
    1,623,699.40x = 2,013,495,112,442.61
  5. Step 5: Solve for x
    x = 2,013,495,112,442.61/1,623,699.40
  6. Step 6: Final answer
    x = 1,240,066.43

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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.