Home / 877,215.12-1,210,586.16-537,617.76

Finding the Fourth Proportional to 877,215.12, 1,210,586.16 and 537,617.76

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Solution

The fourth proportional to 877,215.12, 1,210,586.16 and 537,617.76 is: 741,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,215.12 : 1,210,586.16 = 537,617.76 : x
  2. Step 2: Convert to fraction form
    877,215.12/1,210,586.16 = 537,617.76/x
  3. Step 3: Cross multiply
    877,215.12x = 1,210,586.16 × 537,617.76
  4. Step 4: Simplify right side
    877,215.12x = 650,832,619,626.20
  5. Step 5: Solve for x
    x = 650,832,619,626.20/877,215.12
  6. Step 6: Final answer
    x = 741,930.46

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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.