Home / 839,628.77-1,158,688.01-477,053.10

Finding the Fourth Proportional to 839,628.77, 1,158,688.01 and 477,053.10

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Solution

The fourth proportional to 839,628.77, 1,158,688.01 and 477,053.10 is: 658,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,628.77 : 1,158,688.01 = 477,053.10 : x
  2. Step 2: Convert to fraction form
    839,628.77/1,158,688.01 = 477,053.10/x
  3. Step 3: Cross multiply
    839,628.77x = 1,158,688.01 × 477,053.10
  4. Step 4: Simplify right side
    839,628.77x = 552,755,704,718.07
  5. Step 5: Solve for x
    x = 552,755,704,718.07/839,628.77
  6. Step 6: Final answer
    x = 658,333.45

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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.