Home / 586,581.04-809,496.18-328,455.81

Finding the Fourth Proportional to 586,581.04, 809,496.18 and 328,455.81

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Solution

The fourth proportional to 586,581.04, 809,496.18 and 328,455.81 is: 453,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,581.04 : 809,496.18 = 328,455.81 : x
  2. Step 2: Convert to fraction form
    586,581.04/809,496.18 = 328,455.81/x
  3. Step 3: Cross multiply
    586,581.04x = 809,496.18 × 328,455.81
  4. Step 4: Simplify right side
    586,581.04x = 265,883,723,493.81
  5. Step 5: Solve for x
    x = 265,883,723,493.81/586,581.04
  6. Step 6: Final answer
    x = 453,277.05

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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.