Home / 866,999.10-1,300,498.65-447,095.10

Finding the Fourth Proportional to 866,999.10, 1,300,498.65 and 447,095.10

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Solution

The fourth proportional to 866,999.10, 1,300,498.65 and 447,095.10 is: 670,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,999.10 : 1,300,498.65 = 447,095.10 : x
  2. Step 2: Convert to fraction form
    866,999.10/1,300,498.65 = 447,095.10/x
  3. Step 3: Cross multiply
    866,999.10x = 1,300,498.65 × 447,095.10
  4. Step 4: Simplify right side
    866,999.10x = 581,446,573,971.62
  5. Step 5: Solve for x
    x = 581,446,573,971.62/866,999.10
  6. Step 6: Final answer
    x = 670,642.65

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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.