Home / 563,133.81-776,934.41-321,246.21

Finding the Fourth Proportional to 563,133.81, 776,934.41 and 321,246.21

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Solution

The fourth proportional to 563,133.81, 776,934.41 and 321,246.21 is: 443,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,133.81 : 776,934.41 = 321,246.21 : x
  2. Step 2: Convert to fraction form
    563,133.81/776,934.41 = 321,246.21/x
  3. Step 3: Cross multiply
    563,133.81x = 776,934.41 × 321,246.21
  4. Step 4: Simplify right side
    563,133.81x = 249,587,233,024.86
  5. Step 5: Solve for x
    x = 249,587,233,024.86/563,133.81
  6. Step 6: Final answer
    x = 443,211.24

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Double scale
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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.