Home / 1,405,898.96-2,108,412.53-507,223.90

Finding the Fourth Proportional to 1,405,898.96, 2,108,412.53 and 507,223.90

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Solution

The fourth proportional to 1,405,898.96, 2,108,412.53 and 507,223.90 is: 760,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,898.96 : 2,108,412.53 = 507,223.90 : x
  2. Step 2: Convert to fraction form
    1,405,898.96/2,108,412.53 = 507,223.90/x
  3. Step 3: Cross multiply
    1,405,898.96x = 2,108,412.53 × 507,223.90
  4. Step 4: Simplify right side
    1,405,898.96x = 1,069,437,218,468.32
  5. Step 5: Solve for x
    x = 1,069,437,218,468.32/1,405,898.96
  6. Step 6: Final answer
    x = 760,678.58

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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.