Home / 805,464.49-1,111,533.18-437,941.62

Finding the Fourth Proportional to 805,464.49, 1,111,533.18 and 437,941.62

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Solution

The fourth proportional to 805,464.49, 1,111,533.18 and 437,941.62 is: 604,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,464.49 : 1,111,533.18 = 437,941.62 : x
  2. Step 2: Convert to fraction form
    805,464.49/1,111,533.18 = 437,941.62/x
  3. Step 3: Cross multiply
    805,464.49x = 1,111,533.18 × 437,941.62
  4. Step 4: Simplify right side
    805,464.49x = 486,786,637,111.84
  5. Step 5: Solve for x
    x = 486,786,637,111.84/805,464.49
  6. Step 6: Final answer
    x = 604,355.18

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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.