Home / 869,191.40-1,303,349.70-514,314.20

Finding the Fourth Proportional to 869,191.40, 1,303,349.70 and 514,314.20

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Solution

The fourth proportional to 869,191.40, 1,303,349.70 and 514,314.20 is: 771,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,191.40 : 1,303,349.70 = 514,314.20 : x
  2. Step 2: Convert to fraction form
    869,191.40/1,303,349.70 = 514,314.20/x
  3. Step 3: Cross multiply
    869,191.40x = 1,303,349.70 × 514,314.20
  4. Step 4: Simplify right side
    869,191.40x = 670,331,258,275.74
  5. Step 5: Solve for x
    x = 670,331,258,275.74/869,191.40
  6. Step 6: Final answer
    x = 771,212.48

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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.