Home / 839,477.52-1,157,943.60-686,737.44

Finding the Fourth Proportional to 839,477.52, 1,157,943.60 and 686,737.44

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Solution

The fourth proportional to 839,477.52, 1,157,943.60 and 686,737.44 is: 947,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,477.52 : 1,157,943.60 = 686,737.44 : x
  2. Step 2: Convert to fraction form
    839,477.52/1,157,943.60 = 686,737.44/x
  3. Step 3: Cross multiply
    839,477.52x = 1,157,943.60 × 686,737.44
  4. Step 4: Simplify right side
    839,477.52x = 795,203,223,528.38
  5. Step 5: Solve for x
    x = 795,203,223,528.38/839,477.52
  6. Step 6: Final answer
    x = 947,259.70

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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.