Home / 571,899.57-789,316.02-317,332.77

Finding the Fourth Proportional to 571,899.57, 789,316.02 and 317,332.77

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Solution

The fourth proportional to 571,899.57, 789,316.02 and 317,332.77 is: 437,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,899.57 : 789,316.02 = 317,332.77 : x
  2. Step 2: Convert to fraction form
    571,899.57/789,316.02 = 317,332.77/x
  3. Step 3: Cross multiply
    571,899.57x = 789,316.02 × 317,332.77
  4. Step 4: Simplify right side
    571,899.57x = 250,475,839,031.98
  5. Step 5: Solve for x
    x = 250,475,839,031.98/571,899.57
  6. Step 6: Final answer
    x = 437,971.72

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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.