Home / 739,364.41-1,020,428.04-417,104.29

Finding the Fourth Proportional to 739,364.41, 1,020,428.04 and 417,104.29

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Solution

The fourth proportional to 739,364.41, 1,020,428.04 and 417,104.29 is: 575,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,364.41 : 1,020,428.04 = 417,104.29 : x
  2. Step 2: Convert to fraction form
    739,364.41/1,020,428.04 = 417,104.29/x
  3. Step 3: Cross multiply
    739,364.41x = 1,020,428.04 × 417,104.29
  4. Step 4: Simplify right side
    739,364.41x = 425,624,913,120.29
  5. Step 5: Solve for x
    x = 425,624,913,120.29/739,364.41
  6. Step 6: Final answer
    x = 575,663.24

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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.