Home / 770,335.85-1,063,330.67-529,415.93

Finding the Fourth Proportional to 770,335.85, 1,063,330.67 and 529,415.93

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Solution

The fourth proportional to 770,335.85, 1,063,330.67 and 529,415.93 is: 730,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,335.85 : 1,063,330.67 = 529,415.93 : x
  2. Step 2: Convert to fraction form
    770,335.85/1,063,330.67 = 529,415.93/x
  3. Step 3: Cross multiply
    770,335.85x = 1,063,330.67 × 529,415.93
  4. Step 4: Simplify right side
    770,335.85x = 562,944,192,908.49
  5. Step 5: Solve for x
    x = 562,944,192,908.49/770,335.85
  6. Step 6: Final answer
    x = 730,777.61

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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.