Home / 671,828.58-927,123.45-370,022.58

Finding the Fourth Proportional to 671,828.58, 927,123.45 and 370,022.58

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Solution

The fourth proportional to 671,828.58, 927,123.45 and 370,022.58 is: 510,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,828.58 : 927,123.45 = 370,022.58 : x
  2. Step 2: Convert to fraction form
    671,828.58/927,123.45 = 370,022.58/x
  3. Step 3: Cross multiply
    671,828.58x = 927,123.45 × 370,022.58
  4. Step 4: Simplify right side
    671,828.58x = 343,056,610,947.50
  5. Step 5: Solve for x
    x = 343,056,610,947.50/671,828.58
  6. Step 6: Final answer
    x = 510,631.17

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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.