Home / 917,813.94-1,266,508.98-530,654.20

Finding the Fourth Proportional to 917,813.94, 1,266,508.98 and 530,654.20

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Solution

The fourth proportional to 917,813.94, 1,266,508.98 and 530,654.20 is: 732,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,813.94 : 1,266,508.98 = 530,654.20 : x
  2. Step 2: Convert to fraction form
    917,813.94/1,266,508.98 = 530,654.20/x
  3. Step 3: Cross multiply
    917,813.94x = 1,266,508.98 × 530,654.20
  4. Step 4: Simplify right side
    917,813.94x = 672,078,309,574.72
  5. Step 5: Solve for x
    x = 672,078,309,574.72/917,813.94
  6. Step 6: Final answer
    x = 732,259.86

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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.