Home / 559,235.20-771,825.08-404,688.28

Finding the Fourth Proportional to 559,235.20, 771,825.08 and 404,688.28

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Solution

The fourth proportional to 559,235.20, 771,825.08 and 404,688.28 is: 558,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,235.20 : 771,825.08 = 404,688.28 : x
  2. Step 2: Convert to fraction form
    559,235.20/771,825.08 = 404,688.28/x
  3. Step 3: Cross multiply
    559,235.20x = 771,825.08 × 404,688.28
  4. Step 4: Simplify right side
    559,235.20x = 312,348,564,086.06
  5. Step 5: Solve for x
    x = 312,348,564,086.06/559,235.20
  6. Step 6: Final answer
    x = 558,528.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.