Home / 780,114.30-1,076,559.20-435,950.23

Finding the Fourth Proportional to 780,114.30, 1,076,559.20 and 435,950.23

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Solution

The fourth proportional to 780,114.30, 1,076,559.20 and 435,950.23 is: 601,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,114.30 : 1,076,559.20 = 435,950.23 : x
  2. Step 2: Convert to fraction form
    780,114.30/1,076,559.20 = 435,950.23/x
  3. Step 3: Cross multiply
    780,114.30x = 1,076,559.20 × 435,950.23
  4. Step 4: Simplify right side
    780,114.30x = 469,326,225,977.47
  5. Step 5: Solve for x
    x = 469,326,225,977.47/780,114.30
  6. Step 6: Final answer
    x = 601,612.13

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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.