Home / 918,119.42-1,266,904.19-530,876.24

Finding the Fourth Proportional to 918,119.42, 1,266,904.19 and 530,876.24

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Solution

The fourth proportional to 918,119.42, 1,266,904.19 and 530,876.24 is: 732,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,119.42 : 1,266,904.19 = 530,876.24 : x
  2. Step 2: Convert to fraction form
    918,119.42/1,266,904.19 = 530,876.24/x
  3. Step 3: Cross multiply
    918,119.42x = 1,266,904.19 × 530,876.24
  4. Step 4: Simplify right side
    918,119.42x = 672,569,332,827.45
  5. Step 5: Solve for x
    x = 672,569,332,827.45/918,119.42
  6. Step 6: Final answer
    x = 732,551.04

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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.