Home / 917,812.94-1,266,507.60-530,653.20

Finding the Fourth Proportional to 917,812.94, 1,266,507.60 and 530,653.20

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Solution

The fourth proportional to 917,812.94, 1,266,507.60 and 530,653.20 is: 732,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,812.94 : 1,266,507.60 = 530,653.20 : x
  2. Step 2: Convert to fraction form
    917,812.94/1,266,507.60 = 530,653.20/x
  3. Step 3: Cross multiply
    917,812.94x = 1,266,507.60 × 530,653.20
  4. Step 4: Simplify right side
    917,812.94x = 672,076,312,064.41
  5. Step 5: Solve for x
    x = 672,076,312,064.41/917,812.94
  6. Step 6: Final answer
    x = 732,258.49

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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.