Home / 917,817.63-1,266,514.08-530,657.89

Finding the Fourth Proportional to 917,817.63, 1,266,514.08 and 530,657.89

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Solution

The fourth proportional to 917,817.63, 1,266,514.08 and 530,657.89 is: 732,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,817.63 : 1,266,514.08 = 530,657.89 : x
  2. Step 2: Convert to fraction form
    917,817.63/1,266,514.08 = 530,657.89/x
  3. Step 3: Cross multiply
    917,817.63x = 1,266,514.08 × 530,657.89
  4. Step 4: Simplify right side
    917,817.63x = 672,085,694,216.39
  5. Step 5: Solve for x
    x = 672,085,694,216.39/917,817.63
  6. Step 6: Final answer
    x = 732,264.96

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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.