Home / 1,533,312-2,115,882.54-879,799.68

Finding the Fourth Proportional to 1,533,312, 2,115,882.54 and 879,799.68

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Solution

The fourth proportional to 1,533,312, 2,115,882.54 and 879,799.68 is: 1,214,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,312 : 2,115,882.54 = 879,799.68 : x
  2. Step 2: Convert to fraction form
    1,533,312/2,115,882.54 = 879,799.68/x
  3. Step 3: Cross multiply
    1,533,312x = 2,115,882.54 × 879,799.68
  4. Step 4: Simplify right side
    1,533,312x = 1,861,552,781,609.59
  5. Step 5: Solve for x
    x = 1,861,552,781,609.59/1,533,312
  6. Step 6: Final answer
    x = 1,214,073.05

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1.5x scale

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.