Home / 434,581.60-651,094.80-355,266.40

Finding the Fourth Proportional to 434,581.60, 651,094.80 and 355,266.40

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Solution

The fourth proportional to 434,581.60, 651,094.80 and 355,266.40 is: 532,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,581.60 : 651,094.80 = 355,266.40 : x
  2. Step 2: Convert to fraction form
    434,581.60/651,094.80 = 355,266.40/x
  3. Step 3: Cross multiply
    434,581.60x = 651,094.80 × 355,266.40
  4. Step 4: Simplify right side
    434,581.60x = 231,312,105,654.72
  5. Step 5: Solve for x
    x = 231,312,105,654.72/434,581.60
  6. Step 6: Final answer
    x = 532,263.92

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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.