Home / 1,272,496.40-1,907,344.88-524,134.16

Finding the Fourth Proportional to 1,272,496.40, 1,907,344.88 and 524,134.16

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Solution

The fourth proportional to 1,272,496.40, 1,907,344.88 and 524,134.16 is: 785,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,496.40 : 1,907,344.88 = 524,134.16 : x
  2. Step 2: Convert to fraction form
    1,272,496.40/1,907,344.88 = 524,134.16/x
  3. Step 3: Cross multiply
    1,272,496.40x = 1,907,344.88 × 524,134.16
  4. Step 4: Simplify right side
    1,272,496.40x = 999,704,606,509.10
  5. Step 5: Solve for x
    x = 999,704,606,509.10/1,272,496.40
  6. Step 6: Final answer
    x = 785,624.70

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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.