Home / 688,602.60-1,032,903.90-529,170.30

Finding the Fourth Proportional to 688,602.60, 1,032,903.90 and 529,170.30

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Solution

The fourth proportional to 688,602.60, 1,032,903.90 and 529,170.30 is: 793,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,602.60 : 1,032,903.90 = 529,170.30 : x
  2. Step 2: Convert to fraction form
    688,602.60/1,032,903.90 = 529,170.30/x
  3. Step 3: Cross multiply
    688,602.60x = 1,032,903.90 × 529,170.30
  4. Step 4: Simplify right side
    688,602.60x = 546,582,066,634.17
  5. Step 5: Solve for x
    x = 546,582,066,634.17/688,602.60
  6. Step 6: Final answer
    x = 793,755.45

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Double scale
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Similar ratio
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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.