Home / 739,730.34-1,020,502.80-433,651.32

Finding the Fourth Proportional to 739,730.34, 1,020,502.80 and 433,651.32

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Solution

The fourth proportional to 739,730.34, 1,020,502.80 and 433,651.32 is: 598,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,730.34 : 1,020,502.80 = 433,651.32 : x
  2. Step 2: Convert to fraction form
    739,730.34/1,020,502.80 = 433,651.32/x
  3. Step 3: Cross multiply
    739,730.34x = 1,020,502.80 × 433,651.32
  4. Step 4: Simplify right side
    739,730.34x = 442,542,386,283.70
  5. Step 5: Solve for x
    x = 442,542,386,283.70/739,730.34
  6. Step 6: Final answer
    x = 598,248.26

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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.