Home / 771,214.60-1,156,821.90-546,828.40

Finding the Fourth Proportional to 771,214.60, 1,156,821.90 and 546,828.40

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Solution

The fourth proportional to 771,214.60, 1,156,821.90 and 546,828.40 is: 820,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,214.60 : 1,156,821.90 = 546,828.40 : x
  2. Step 2: Convert to fraction form
    771,214.60/1,156,821.90 = 546,828.40/x
  3. Step 3: Cross multiply
    771,214.60x = 1,156,821.90 × 546,828.40
  4. Step 4: Simplify right side
    771,214.60x = 632,583,068,661.96
  5. Step 5: Solve for x
    x = 632,583,068,661.96/771,214.60
  6. Step 6: Final answer
    x = 820,242.60

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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.