Home / 346,590.10-519,885.15-213,037.30

Finding the Fourth Proportional to 346,590.10, 519,885.15 and 213,037.30

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Solution

The fourth proportional to 346,590.10, 519,885.15 and 213,037.30 is: 319,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,590.10 : 519,885.15 = 213,037.30 : x
  2. Step 2: Convert to fraction form
    346,590.10/519,885.15 = 213,037.30/x
  3. Step 3: Cross multiply
    346,590.10x = 519,885.15 × 213,037.30
  4. Step 4: Simplify right side
    346,590.10x = 110,754,928,666.10
  5. Step 5: Solve for x
    x = 110,754,928,666.10/346,590.10
  6. Step 6: Final answer
    x = 319,555.95

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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.