Home / 786,069.67-1,179,038.70-217,457.77

Finding the Fourth Proportional to 786,069.67, 1,179,038.70 and 217,457.77

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Solution

The fourth proportional to 786,069.67, 1,179,038.70 and 217,457.77 is: 326,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,069.67 : 1,179,038.70 = 217,457.77 : x
  2. Step 2: Convert to fraction form
    786,069.67/1,179,038.70 = 217,457.77/x
  3. Step 3: Cross multiply
    786,069.67x = 1,179,038.70 × 217,457.77
  4. Step 4: Simplify right side
    786,069.67x = 256,391,126,445.70
  5. Step 5: Solve for x
    x = 256,391,126,445.70/786,069.67
  6. Step 6: Final answer
    x = 326,168.45

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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.