Home / 740,312.10-1,110,468.15-207,923.40

Finding the Fourth Proportional to 740,312.10, 1,110,468.15 and 207,923.40

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Solution

The fourth proportional to 740,312.10, 1,110,468.15 and 207,923.40 is: 311,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,312.10 : 1,110,468.15 = 207,923.40 : x
  2. Step 2: Convert to fraction form
    740,312.10/1,110,468.15 = 207,923.40/x
  3. Step 3: Cross multiply
    740,312.10x = 1,110,468.15 × 207,923.40
  4. Step 4: Simplify right side
    740,312.10x = 230,892,313,339.71
  5. Step 5: Solve for x
    x = 230,892,313,339.71/740,312.10
  6. Step 6: Final answer
    x = 311,885.10

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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.