Home / 846,443.12-1,167,185.50-640,179.86

Finding the Fourth Proportional to 846,443.12, 1,167,185.50 and 640,179.86

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Solution

The fourth proportional to 846,443.12, 1,167,185.50 and 640,179.86 is: 882,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,443.12 : 1,167,185.50 = 640,179.86 : x
  2. Step 2: Convert to fraction form
    846,443.12/1,167,185.50 = 640,179.86/x
  3. Step 3: Cross multiply
    846,443.12x = 1,167,185.50 × 640,179.86
  4. Step 4: Simplify right side
    846,443.12x = 747,208,642,547.65
  5. Step 5: Solve for x
    x = 747,208,642,547.65/846,443.12
  6. Step 6: Final answer
    x = 882,762.98

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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.