Home / 1,076,465.80-1,614,698.70-515,211.40

Finding the Fourth Proportional to 1,076,465.80, 1,614,698.70 and 515,211.40

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Solution

The fourth proportional to 1,076,465.80, 1,614,698.70 and 515,211.40 is: 772,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,465.80 : 1,614,698.70 = 515,211.40 : x
  2. Step 2: Convert to fraction form
    1,076,465.80/1,614,698.70 = 515,211.40/x
  3. Step 3: Cross multiply
    1,076,465.80x = 1,614,698.70 × 515,211.40
  4. Step 4: Simplify right side
    1,076,465.80x = 831,911,177,805.18
  5. Step 5: Solve for x
    x = 831,911,177,805.18/1,076,465.80
  6. Step 6: Final answer
    x = 772,817.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.