Home / 724,860.60-1,086,254.10-533,830.20

Finding the Fourth Proportional to 724,860.60, 1,086,254.10 and 533,830.20

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Solution

The fourth proportional to 724,860.60, 1,086,254.10 and 533,830.20 is: 799,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,860.60 : 1,086,254.10 = 533,830.20 : x
  2. Step 2: Convert to fraction form
    724,860.60/1,086,254.10 = 533,830.20/x
  3. Step 3: Cross multiply
    724,860.60x = 1,086,254.10 × 533,830.20
  4. Step 4: Simplify right side
    724,860.60x = 579,875,243,453.82
  5. Step 5: Solve for x
    x = 579,875,243,453.82/724,860.60
  6. Step 6: Final answer
    x = 799,981.74

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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.