Home / 1,017,026.50-1,403,496.57-564,390.34

Finding the Fourth Proportional to 1,017,026.50, 1,403,496.57 and 564,390.34

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Solution

The fourth proportional to 1,017,026.50, 1,403,496.57 and 564,390.34 is: 778,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,026.50 : 1,403,496.57 = 564,390.34 : x
  2. Step 2: Convert to fraction form
    1,017,026.50/1,403,496.57 = 564,390.34/x
  3. Step 3: Cross multiply
    1,017,026.50x = 1,403,496.57 × 564,390.34
  4. Step 4: Simplify right side
    1,017,026.50x = 792,119,906,331.13
  5. Step 5: Solve for x
    x = 792,119,906,331.13/1,017,026.50
  6. Step 6: Final answer
    x = 778,858.67

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Double scale
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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.