Home / 651,620.34-981,869.96-535,884.30

Finding the Fourth Proportional to 651,620.34, 981,869.96 and 535,884.30

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Solution

The fourth proportional to 651,620.34, 981,869.96 and 535,884.30 is: 807,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,620.34 : 981,869.96 = 535,884.30 : x
  2. Step 2: Convert to fraction form
    651,620.34/981,869.96 = 535,884.30/x
  3. Step 3: Cross multiply
    651,620.34x = 981,869.96 × 535,884.30
  4. Step 4: Simplify right side
    651,620.34x = 526,168,693,526.21
  5. Step 5: Solve for x
    x = 526,168,693,526.21/651,620.34
  6. Step 6: Final answer
    x = 807,477.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.