Home / 989,564.40-1,365,601.50-536,855.40

Finding the Fourth Proportional to 989,564.40, 1,365,601.50 and 536,855.40

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Solution

The fourth proportional to 989,564.40, 1,365,601.50 and 536,855.40 is: 740,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,564.40 : 1,365,601.50 = 536,855.40 : x
  2. Step 2: Convert to fraction form
    989,564.40/1,365,601.50 = 536,855.40/x
  3. Step 3: Cross multiply
    989,564.40x = 1,365,601.50 × 536,855.40
  4. Step 4: Simplify right side
    989,564.40x = 733,130,539,523.10
  5. Step 5: Solve for x
    x = 733,130,539,523.10/989,564.40
  6. Step 6: Final answer
    x = 740,861.88

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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.