Home / 876,890.16-1,210,310.64-514,430.46

Finding the Fourth Proportional to 876,890.16, 1,210,310.64 and 514,430.46

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Solution

The fourth proportional to 876,890.16, 1,210,310.64 and 514,430.46 is: 710,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,890.16 : 1,210,310.64 = 514,430.46 : x
  2. Step 2: Convert to fraction form
    876,890.16/1,210,310.64 = 514,430.46/x
  3. Step 3: Cross multiply
    876,890.16x = 1,210,310.64 × 514,430.46
  4. Step 4: Simplify right side
    876,890.16x = 622,620,659,278.09
  5. Step 5: Solve for x
    x = 622,620,659,278.09/876,890.16
  6. Step 6: Final answer
    x = 710,032.67

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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.