Home / 1,403,967.96-2,105,950.32-457,337.16

Finding the Fourth Proportional to 1,403,967.96, 2,105,950.32 and 457,337.16

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Solution

The fourth proportional to 1,403,967.96, 2,105,950.32 and 457,337.16 is: 686,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,967.96 : 2,105,950.32 = 457,337.16 : x
  2. Step 2: Convert to fraction form
    1,403,967.96/2,105,950.32 = 457,337.16/x
  3. Step 3: Cross multiply
    1,403,967.96x = 2,105,950.32 × 457,337.16
  4. Step 4: Simplify right side
    1,403,967.96x = 963,129,338,449.89
  5. Step 5: Solve for x
    x = 963,129,338,449.89/1,403,967.96
  6. Step 6: Final answer
    x = 686,005.21

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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.