Home / 958,085.12-1,437,438.72-459,488

Finding the Fourth Proportional to 958,085.12, 1,437,438.72 and 459,488

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Solution

The fourth proportional to 958,085.12, 1,437,438.72 and 459,488 is: 689,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,085.12 : 1,437,438.72 = 459,488 : x
  2. Step 2: Convert to fraction form
    958,085.12/1,437,438.72 = 459,488/x
  3. Step 3: Cross multiply
    958,085.12x = 1,437,438.72 × 459,488
  4. Step 4: Simplify right side
    958,085.12x = 660,485,842,575.36
  5. Step 5: Solve for x
    x = 660,485,842,575.36/958,085.12
  6. Step 6: Final answer
    x = 689,381.17

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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.