Home / 776,808.18-1,071,852.21-437,204.34

Finding the Fourth Proportional to 776,808.18, 1,071,852.21 and 437,204.34

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Solution

The fourth proportional to 776,808.18, 1,071,852.21 and 437,204.34 is: 603,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,808.18 : 1,071,852.21 = 437,204.34 : x
  2. Step 2: Convert to fraction form
    776,808.18/1,071,852.21 = 437,204.34/x
  3. Step 3: Cross multiply
    776,808.18x = 1,071,852.21 × 437,204.34
  4. Step 4: Simplify right side
    776,808.18x = 468,618,438,050.59
  5. Step 5: Solve for x
    x = 468,618,438,050.59/776,808.18
  6. Step 6: Final answer
    x = 603,261.46

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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.