Home / 529,927.52-730,929.68-359,866.40

Finding the Fourth Proportional to 529,927.52, 730,929.68 and 359,866.40

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Solution

The fourth proportional to 529,927.52, 730,929.68 and 359,866.40 is: 496,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,927.52 : 730,929.68 = 359,866.40 : x
  2. Step 2: Convert to fraction form
    529,927.52/730,929.68 = 359,866.40/x
  3. Step 3: Cross multiply
    529,927.52x = 730,929.68 × 359,866.40
  4. Step 4: Simplify right side
    529,927.52x = 263,037,032,594.75
  5. Step 5: Solve for x
    x = 263,037,032,594.75/529,927.52
  6. Step 6: Final answer
    x = 496,364.17

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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.