Home / 869,240.20-1,302,305.10-536,427.40

Finding the Fourth Proportional to 869,240.20, 1,302,305.10 and 536,427.40

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Solution

The fourth proportional to 869,240.20, 1,302,305.10 and 536,427.40 is: 803,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,240.20 : 1,302,305.10 = 536,427.40 : x
  2. Step 2: Convert to fraction form
    869,240.20/1,302,305.10 = 536,427.40/x
  3. Step 3: Cross multiply
    869,240.20x = 1,302,305.10 × 536,427.40
  4. Step 4: Simplify right side
    869,240.20x = 698,592,138,799.74
  5. Step 5: Solve for x
    x = 698,592,138,799.74/869,240.20
  6. Step 6: Final answer
    x = 803,681.35

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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.