Home / 1,353,065.64-1,866,522.69-836,654.46

Finding the Fourth Proportional to 1,353,065.64, 1,866,522.69 and 836,654.46

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Solution

The fourth proportional to 1,353,065.64, 1,866,522.69 and 836,654.46 is: 1,154,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,065.64 : 1,866,522.69 = 836,654.46 : x
  2. Step 2: Convert to fraction form
    1,353,065.64/1,866,522.69 = 836,654.46/x
  3. Step 3: Cross multiply
    1,353,065.64x = 1,866,522.69 × 836,654.46
  4. Step 4: Simplify right side
    1,353,065.64x = 1,561,634,533,279.70
  5. Step 5: Solve for x
    x = 1,561,634,533,279.70/1,353,065.64
  6. Step 6: Final answer
    x = 1,154,145.44

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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.