Home / 771,027.90-1,064,501.50-495,497.50

Finding the Fourth Proportional to 771,027.90, 1,064,501.50 and 495,497.50

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Solution

The fourth proportional to 771,027.90, 1,064,501.50 and 495,497.50 is: 684,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,027.90 : 1,064,501.50 = 495,497.50 : x
  2. Step 2: Convert to fraction form
    771,027.90/1,064,501.50 = 495,497.50/x
  3. Step 3: Cross multiply
    771,027.90x = 1,064,501.50 × 495,497.50
  4. Step 4: Simplify right side
    771,027.90x = 527,457,831,996.25
  5. Step 5: Solve for x
    x = 527,457,831,996.25/771,027.90
  6. Step 6: Final answer
    x = 684,096.95

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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.