Home / 686,301.60-1,029,452.40-553,441.35

Finding the Fourth Proportional to 686,301.60, 1,029,452.40 and 553,441.35

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Solution

The fourth proportional to 686,301.60, 1,029,452.40 and 553,441.35 is: 830,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,301.60 : 1,029,452.40 = 553,441.35 : x
  2. Step 2: Convert to fraction form
    686,301.60/1,029,452.40 = 553,441.35/x
  3. Step 3: Cross multiply
    686,301.60x = 1,029,452.40 × 553,441.35
  4. Step 4: Simplify right side
    686,301.60x = 569,741,526,016.74
  5. Step 5: Solve for x
    x = 569,741,526,016.74/686,301.60
  6. Step 6: Final answer
    x = 830,162.03

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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.