Home / 713,484.36-1,070,284.78-358,315.72

Finding the Fourth Proportional to 713,484.36, 1,070,284.78 and 358,315.72

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Solution

The fourth proportional to 713,484.36, 1,070,284.78 and 358,315.72 is: 537,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,484.36 : 1,070,284.78 = 358,315.72 : x
  2. Step 2: Convert to fraction form
    713,484.36/1,070,284.78 = 358,315.72/x
  3. Step 3: Cross multiply
    713,484.36x = 1,070,284.78 × 358,315.72
  4. Step 4: Simplify right side
    713,484.36x = 383,499,861,550.74
  5. Step 5: Solve for x
    x = 383,499,861,550.74/713,484.36
  6. Step 6: Final answer
    x = 537,502.83

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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.