Home / 1,248,530.40-1,872,795.60-539,942.40

Finding the Fourth Proportional to 1,248,530.40, 1,872,795.60 and 539,942.40

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Solution

The fourth proportional to 1,248,530.40, 1,872,795.60 and 539,942.40 is: 809,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,530.40 : 1,872,795.60 = 539,942.40 : x
  2. Step 2: Convert to fraction form
    1,248,530.40/1,872,795.60 = 539,942.40/x
  3. Step 3: Cross multiply
    1,248,530.40x = 1,872,795.60 × 539,942.40
  4. Step 4: Simplify right side
    1,248,530.40x = 1,011,201,750,973.44
  5. Step 5: Solve for x
    x = 1,011,201,750,973.44/1,248,530.40
  6. Step 6: Final answer
    x = 809,913.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.