Home / 1,229,758.91-1,697,061.67-678,459.62

Finding the Fourth Proportional to 1,229,758.91, 1,697,061.67 and 678,459.62

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Solution

The fourth proportional to 1,229,758.91, 1,697,061.67 and 678,459.62 is: 936,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,758.91 : 1,697,061.67 = 678,459.62 : x
  2. Step 2: Convert to fraction form
    1,229,758.91/1,697,061.67 = 678,459.62/x
  3. Step 3: Cross multiply
    1,229,758.91x = 1,697,061.67 × 678,459.62
  4. Step 4: Simplify right side
    1,229,758.91x = 1,151,387,803,867.16
  5. Step 5: Solve for x
    x = 1,151,387,803,867.16/1,229,758.91
  6. Step 6: Final answer
    x = 936,271.16

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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.