Home / 824,784.29-1,235,565.81-391,885.68

Finding the Fourth Proportional to 824,784.29, 1,235,565.81 and 391,885.68

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Solution

The fourth proportional to 824,784.29, 1,235,565.81 and 391,885.68 is: 587,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,784.29 : 1,235,565.81 = 391,885.68 : x
  2. Step 2: Convert to fraction form
    824,784.29/1,235,565.81 = 391,885.68/x
  3. Step 3: Cross multiply
    824,784.29x = 1,235,565.81 × 391,885.68
  4. Step 4: Simplify right side
    824,784.29x = 484,200,547,636.60
  5. Step 5: Solve for x
    x = 484,200,547,636.60/824,784.29
  6. Step 6: Final answer
    x = 587,063.25

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1.5x scale

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.