Home / 530,928.28-732,682.02-316,075.78

Finding the Fourth Proportional to 530,928.28, 732,682.02 and 316,075.78

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Solution

The fourth proportional to 530,928.28, 732,682.02 and 316,075.78 is: 436,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,928.28 : 732,682.02 = 316,075.78 : x
  2. Step 2: Convert to fraction form
    530,928.28/732,682.02 = 316,075.78/x
  3. Step 3: Cross multiply
    530,928.28x = 732,682.02 × 316,075.78
  4. Step 4: Simplify right side
    530,928.28x = 231,583,040,963.48
  5. Step 5: Solve for x
    x = 231,583,040,963.48/530,928.28
  6. Step 6: Final answer
    x = 436,185.17

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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.