Home / 985,782.81-1,360,380.35-533,073.81

Finding the Fourth Proportional to 985,782.81, 1,360,380.35 and 533,073.81

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Solution

The fourth proportional to 985,782.81, 1,360,380.35 and 533,073.81 is: 735,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,782.81 : 1,360,380.35 = 533,073.81 : x
  2. Step 2: Convert to fraction form
    985,782.81/1,360,380.35 = 533,073.81/x
  3. Step 3: Cross multiply
    985,782.81x = 1,360,380.35 × 533,073.81
  4. Step 4: Simplify right side
    985,782.81x = 725,183,136,223.63
  5. Step 5: Solve for x
    x = 725,183,136,223.63/985,782.81
  6. Step 6: Final answer
    x = 735,641.90

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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.