Home / 877,450.20-1,210,769.96-514,741.72

Finding the Fourth Proportional to 877,450.20, 1,210,769.96 and 514,741.72

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Solution

The fourth proportional to 877,450.20, 1,210,769.96 and 514,741.72 is: 710,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,450.20 : 1,210,769.96 = 514,741.72 : x
  2. Step 2: Convert to fraction form
    877,450.20/1,210,769.96 = 514,741.72/x
  3. Step 3: Cross multiply
    877,450.20x = 1,210,769.96 × 514,741.72
  4. Step 4: Simplify right side
    877,450.20x = 623,233,806,134.10
  5. Step 5: Solve for x
    x = 623,233,806,134.10/877,450.20
  6. Step 6: Final answer
    x = 710,278.27

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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.