Home / 1,539,176.40-2,308,764.60-417,245.40

Finding the Fourth Proportional to 1,539,176.40, 2,308,764.60 and 417,245.40

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Solution

The fourth proportional to 1,539,176.40, 2,308,764.60 and 417,245.40 is: 625,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,176.40 : 2,308,764.60 = 417,245.40 : x
  2. Step 2: Convert to fraction form
    1,539,176.40/2,308,764.60 = 417,245.40/x
  3. Step 3: Cross multiply
    1,539,176.40x = 2,308,764.60 × 417,245.40
  4. Step 4: Simplify right side
    1,539,176.40x = 963,321,409,032.84
  5. Step 5: Solve for x
    x = 963,321,409,032.84/1,539,176.40
  6. Step 6: Final answer
    x = 625,868.10

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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.