Home / 529,582.06-730,121.07-438,602.86

Finding the Fourth Proportional to 529,582.06, 730,121.07 and 438,602.86

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Solution

The fourth proportional to 529,582.06, 730,121.07 and 438,602.86 is: 604,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,582.06 : 730,121.07 = 438,602.86 : x
  2. Step 2: Convert to fraction form
    529,582.06/730,121.07 = 438,602.86/x
  3. Step 3: Cross multiply
    529,582.06x = 730,121.07 × 438,602.86
  4. Step 4: Simplify right side
    529,582.06x = 320,233,189,448.26
  5. Step 5: Solve for x
    x = 320,233,189,448.26/529,582.06
  6. Step 6: Final answer
    x = 604,690.40

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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.