Home / 738,247.10-1,106,679.45-578,234.30

Finding the Fourth Proportional to 738,247.10, 1,106,679.45 and 578,234.30

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Solution

The fourth proportional to 738,247.10, 1,106,679.45 and 578,234.30 is: 866,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,247.10 : 1,106,679.45 = 578,234.30 : x
  2. Step 2: Convert to fraction form
    738,247.10/1,106,679.45 = 578,234.30/x
  3. Step 3: Cross multiply
    738,247.10x = 1,106,679.45 × 578,234.30
  4. Step 4: Simplify right side
    738,247.10x = 639,920,017,095.14
  5. Step 5: Solve for x
    x = 639,920,017,095.14/738,247.10
  6. Step 6: Final answer
    x = 866,810.07

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Double scale
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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.