Home / 935,574.71-1,290,798.38-572,620.19

Finding the Fourth Proportional to 935,574.71, 1,290,798.38 and 572,620.19

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Solution

The fourth proportional to 935,574.71, 1,290,798.38 and 572,620.19 is: 790,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,574.71 : 1,290,798.38 = 572,620.19 : x
  2. Step 2: Convert to fraction form
    935,574.71/1,290,798.38 = 572,620.19/x
  3. Step 3: Cross multiply
    935,574.71x = 1,290,798.38 × 572,620.19
  4. Step 4: Simplify right side
    935,574.71x = 739,137,205,363.86
  5. Step 5: Solve for x
    x = 739,137,205,363.86/935,574.71
  6. Step 6: Final answer
    x = 790,035.47

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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.