Home / 923,140.98-1,384,822.02-283,360.92

Finding the Fourth Proportional to 923,140.98, 1,384,822.02 and 283,360.92

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Solution

The fourth proportional to 923,140.98, 1,384,822.02 and 283,360.92 is: 425,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,140.98 : 1,384,822.02 = 283,360.92 : x
  2. Step 2: Convert to fraction form
    923,140.98/1,384,822.02 = 283,360.92/x
  3. Step 3: Cross multiply
    923,140.98x = 1,384,822.02 × 283,360.92
  4. Step 4: Simplify right side
    923,140.98x = 392,404,441,623.46
  5. Step 5: Solve for x
    x = 392,404,441,623.46/923,140.98
  6. Step 6: Final answer
    x = 425,075.31

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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.