Home / 776,485.78-1,071,541.85-432,314.17

Finding the Fourth Proportional to 776,485.78, 1,071,541.85 and 432,314.17

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Solution

The fourth proportional to 776,485.78, 1,071,541.85 and 432,314.17 is: 596,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,485.78 : 1,071,541.85 = 432,314.17 : x
  2. Step 2: Convert to fraction form
    776,485.78/1,071,541.85 = 432,314.17/x
  3. Step 3: Cross multiply
    776,485.78x = 1,071,541.85 × 432,314.17
  4. Step 4: Simplify right side
    776,485.78x = 463,242,725,503.02
  5. Step 5: Solve for x
    x = 463,242,725,503.02/776,485.78
  6. Step 6: Final answer
    x = 596,588.81

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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.