Home / 779,816.18-1,076,025.02-440,277.14

Finding the Fourth Proportional to 779,816.18, 1,076,025.02 and 440,277.14

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Solution

The fourth proportional to 779,816.18, 1,076,025.02 and 440,277.14 is: 607,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,816.18 : 1,076,025.02 = 440,277.14 : x
  2. Step 2: Convert to fraction form
    779,816.18/1,076,025.02 = 440,277.14/x
  3. Step 3: Cross multiply
    779,816.18x = 1,076,025.02 × 440,277.14
  4. Step 4: Simplify right side
    779,816.18x = 473,749,218,862.72
  5. Step 5: Solve for x
    x = 473,749,218,862.72/779,816.18
  6. Step 6: Final answer
    x = 607,513.96

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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.