Home / 839,017.69-1,157,758.10-471,436.45

Finding the Fourth Proportional to 839,017.69, 1,157,758.10 and 471,436.45

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Solution

The fourth proportional to 839,017.69, 1,157,758.10 and 471,436.45 is: 650,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,017.69 : 1,157,758.10 = 471,436.45 : x
  2. Step 2: Convert to fraction form
    839,017.69/1,157,758.10 = 471,436.45/x
  3. Step 3: Cross multiply
    839,017.69x = 1,157,758.10 × 471,436.45
  4. Step 4: Simplify right side
    839,017.69x = 545,809,368,622.75
  5. Step 5: Solve for x
    x = 545,809,368,622.75/839,017.69
  6. Step 6: Final answer
    x = 650,533.80

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Double scale
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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.