Home / 738,049.40-1,107,074.10-644,737.40

Finding the Fourth Proportional to 738,049.40, 1,107,074.10 and 644,737.40

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Solution

The fourth proportional to 738,049.40, 1,107,074.10 and 644,737.40 is: 967,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,049.40 : 1,107,074.10 = 644,737.40 : x
  2. Step 2: Convert to fraction form
    738,049.40/1,107,074.10 = 644,737.40/x
  3. Step 3: Cross multiply
    738,049.40x = 1,107,074.10 × 644,737.40
  4. Step 4: Simplify right side
    738,049.40x = 713,772,076,841.34
  5. Step 5: Solve for x
    x = 713,772,076,841.34/738,049.40
  6. Step 6: Final answer
    x = 967,106.10

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1.5x scale

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.