Home / 615,929.88-849,514.87-530,033.64

Finding the Fourth Proportional to 615,929.88, 849,514.87 and 530,033.64

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Solution

The fourth proportional to 615,929.88, 849,514.87 and 530,033.64 is: 731,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,929.88 : 849,514.87 = 530,033.64 : x
  2. Step 2: Convert to fraction form
    615,929.88/849,514.87 = 530,033.64/x
  3. Step 3: Cross multiply
    615,929.88x = 849,514.87 × 530,033.64
  4. Step 4: Simplify right side
    615,929.88x = 450,271,458,780.23
  5. Step 5: Solve for x
    x = 450,271,458,780.23/615,929.88
  6. Step 6: Final answer
    x = 731,043.38

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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.