Home / 735,927.40-1,104,085.34-398,818.28

Finding the Fourth Proportional to 735,927.40, 1,104,085.34 and 398,818.28

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Solution

The fourth proportional to 735,927.40, 1,104,085.34 and 398,818.28 is: 598,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,927.40 : 1,104,085.34 = 398,818.28 : x
  2. Step 2: Convert to fraction form
    735,927.40/1,104,085.34 = 398,818.28/x
  3. Step 3: Cross multiply
    735,927.40x = 1,104,085.34 × 398,818.28
  4. Step 4: Simplify right side
    735,927.40x = 440,329,416,272.02
  5. Step 5: Solve for x
    x = 440,329,416,272.02/735,927.40
  6. Step 6: Final answer
    x = 598,332.68

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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.