Home / 563,018.54-776,966.02-304,897.52

Finding the Fourth Proportional to 563,018.54, 776,966.02 and 304,897.52

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Solution

The fourth proportional to 563,018.54, 776,966.02 and 304,897.52 is: 420,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,018.54 : 776,966.02 = 304,897.52 : x
  2. Step 2: Convert to fraction form
    563,018.54/776,966.02 = 304,897.52/x
  3. Step 3: Cross multiply
    563,018.54x = 776,966.02 × 304,897.52
  4. Step 4: Simplify right side
    563,018.54x = 236,895,012,622.27
  5. Step 5: Solve for x
    x = 236,895,012,622.27/563,018.54
  6. Step 6: Final answer
    x = 420,758.81

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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.