Home / 563,253.07-777,259.51-321,526.03

Finding the Fourth Proportional to 563,253.07, 777,259.51 and 321,526.03

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Solution

The fourth proportional to 563,253.07, 777,259.51 and 321,526.03 is: 443,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,253.07 : 777,259.51 = 321,526.03 : x
  2. Step 2: Convert to fraction form
    563,253.07/777,259.51 = 321,526.03/x
  3. Step 3: Cross multiply
    563,253.07x = 777,259.51 × 321,526.03
  4. Step 4: Simplify right side
    563,253.07x = 249,909,164,530.05
  5. Step 5: Solve for x
    x = 249,909,164,530.05/563,253.07
  6. Step 6: Final answer
    x = 443,688.95

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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.