Home / 1,124,507-1,551,789.96-665,645.24

Finding the Fourth Proportional to 1,124,507, 1,551,789.96 and 665,645.24

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Solution

The fourth proportional to 1,124,507, 1,551,789.96 and 665,645.24 is: 918,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,507 : 1,551,789.96 = 665,645.24 : x
  2. Step 2: Convert to fraction form
    1,124,507/1,551,789.96 = 665,645.24/x
  3. Step 3: Cross multiply
    1,124,507x = 1,551,789.96 × 665,645.24
  4. Step 4: Simplify right side
    1,124,507x = 1,032,941,600,353.79
  5. Step 5: Solve for x
    x = 1,032,941,600,353.79/1,124,507
  6. Step 6: Final answer
    x = 918,572.85

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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.