Home / 778,877.94-1,074,852.08-430,018.64

Finding the Fourth Proportional to 778,877.94, 1,074,852.08 and 430,018.64

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Solution

The fourth proportional to 778,877.94, 1,074,852.08 and 430,018.64 is: 593,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,877.94 : 1,074,852.08 = 430,018.64 : x
  2. Step 2: Convert to fraction form
    778,877.94/1,074,852.08 = 430,018.64/x
  3. Step 3: Cross multiply
    778,877.94x = 1,074,852.08 × 430,018.64
  4. Step 4: Simplify right side
    778,877.94x = 462,206,427,761.68
  5. Step 5: Solve for x
    x = 462,206,427,761.68/778,877.94
  6. Step 6: Final answer
    x = 593,426.01

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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.