Home / 923,038.60-1,273,857.18-515,219.80

Finding the Fourth Proportional to 923,038.60, 1,273,857.18 and 515,219.80

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Solution

The fourth proportional to 923,038.60, 1,273,857.18 and 515,219.80 is: 711,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,038.60 : 1,273,857.18 = 515,219.80 : x
  2. Step 2: Convert to fraction form
    923,038.60/1,273,857.18 = 515,219.80/x
  3. Step 3: Cross multiply
    923,038.60x = 1,273,857.18 × 515,219.80
  4. Step 4: Simplify right side
    923,038.60x = 656,316,441,508.16
  5. Step 5: Solve for x
    x = 656,316,441,508.16/923,038.60
  6. Step 6: Final answer
    x = 711,039.00

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1.5x scale

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.