Home / 939,507.30-1,296,856.26-557,533.98

Finding the Fourth Proportional to 939,507.30, 1,296,856.26 and 557,533.98

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Solution

The fourth proportional to 939,507.30, 1,296,856.26 and 557,533.98 is: 769,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,507.30 : 1,296,856.26 = 557,533.98 : x
  2. Step 2: Convert to fraction form
    939,507.30/1,296,856.26 = 557,533.98/x
  3. Step 3: Cross multiply
    939,507.30x = 1,296,856.26 × 557,533.98
  4. Step 4: Simplify right side
    939,507.30x = 723,041,432,125.72
  5. Step 5: Solve for x
    x = 723,041,432,125.72/939,507.30
  6. Step 6: Final answer
    x = 769,596.40

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1.5x scale

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.