Home / 688,869.52-1,033,116.90-435,770.08

Finding the Fourth Proportional to 688,869.52, 1,033,116.90 and 435,770.08

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Solution

The fourth proportional to 688,869.52, 1,033,116.90 and 435,770.08 is: 653,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,869.52 : 1,033,116.90 = 435,770.08 : x
  2. Step 2: Convert to fraction form
    688,869.52/1,033,116.90 = 435,770.08/x
  3. Step 3: Cross multiply
    688,869.52x = 1,033,116.90 × 435,770.08
  4. Step 4: Simplify right side
    688,869.52x = 450,201,434,162.35
  5. Step 5: Solve for x
    x = 450,201,434,162.35/688,869.52
  6. Step 6: Final answer
    x = 653,536.59

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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.