Home / 578,834.40-868,251.60-401,541.60

Finding the Fourth Proportional to 578,834.40, 868,251.60 and 401,541.60

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Solution

The fourth proportional to 578,834.40, 868,251.60 and 401,541.60 is: 602,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,834.40 : 868,251.60 = 401,541.60 : x
  2. Step 2: Convert to fraction form
    578,834.40/868,251.60 = 401,541.60/x
  3. Step 3: Cross multiply
    578,834.40x = 868,251.60 × 401,541.60
  4. Step 4: Simplify right side
    578,834.40x = 348,639,136,666.56
  5. Step 5: Solve for x
    x = 348,639,136,666.56/578,834.40
  6. Step 6: Final answer
    x = 602,312.40

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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.