Home / 1,145,503.80-1,718,255.70-397,549.80

Finding the Fourth Proportional to 1,145,503.80, 1,718,255.70 and 397,549.80

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Solution

The fourth proportional to 1,145,503.80, 1,718,255.70 and 397,549.80 is: 596,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,503.80 : 1,718,255.70 = 397,549.80 : x
  2. Step 2: Convert to fraction form
    1,145,503.80/1,718,255.70 = 397,549.80/x
  3. Step 3: Cross multiply
    1,145,503.80x = 1,718,255.70 × 397,549.80
  4. Step 4: Simplify right side
    1,145,503.80x = 683,092,209,883.86
  5. Step 5: Solve for x
    x = 683,092,209,883.86/1,145,503.80
  6. Step 6: Final answer
    x = 596,324.70

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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.