Home / 530,146.74-732,043.95-491,682.27

Finding the Fourth Proportional to 530,146.74, 732,043.95 and 491,682.27

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Solution

The fourth proportional to 530,146.74, 732,043.95 and 491,682.27 is: 678,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,146.74 : 732,043.95 = 491,682.27 : x
  2. Step 2: Convert to fraction form
    530,146.74/732,043.95 = 491,682.27/x
  3. Step 3: Cross multiply
    530,146.74x = 732,043.95 × 491,682.27
  4. Step 4: Simplify right side
    530,146.74x = 359,933,031,075.77
  5. Step 5: Solve for x
    x = 359,933,031,075.77/530,146.74
  6. Step 6: Final answer
    x = 678,930.95

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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.