Home / 644,583.40-966,875.10-572,698.60

Finding the Fourth Proportional to 644,583.40, 966,875.10 and 572,698.60

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Solution

The fourth proportional to 644,583.40, 966,875.10 and 572,698.60 is: 859,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,583.40 : 966,875.10 = 572,698.60 : x
  2. Step 2: Convert to fraction form
    644,583.40/966,875.10 = 572,698.60/x
  3. Step 3: Cross multiply
    644,583.40x = 966,875.10 × 572,698.60
  4. Step 4: Simplify right side
    644,583.40x = 553,728,016,144.86
  5. Step 5: Solve for x
    x = 553,728,016,144.86/644,583.40
  6. Step 6: Final answer
    x = 859,047.90

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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.