Home / 880,123.29-1,214,528.09-540,525.93

Finding the Fourth Proportional to 880,123.29, 1,214,528.09 and 540,525.93

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Solution

The fourth proportional to 880,123.29, 1,214,528.09 and 540,525.93 is: 745,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,123.29 : 1,214,528.09 = 540,525.93 : x
  2. Step 2: Convert to fraction form
    880,123.29/1,214,528.09 = 540,525.93/x
  3. Step 3: Cross multiply
    880,123.29x = 1,214,528.09 × 540,525.93
  4. Step 4: Simplify right side
    880,123.29x = 656,483,922,655.74
  5. Step 5: Solve for x
    x = 656,483,922,655.74/880,123.29
  6. Step 6: Final answer
    x = 745,899.96

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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.