Home / 786,588.60-1,084,875.58-538,377.67

Finding the Fourth Proportional to 786,588.60, 1,084,875.58 and 538,377.67

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Solution

The fourth proportional to 786,588.60, 1,084,875.58 and 538,377.67 is: 742,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,588.60 : 1,084,875.58 = 538,377.67 : x
  2. Step 2: Convert to fraction form
    786,588.60/1,084,875.58 = 538,377.67/x
  3. Step 3: Cross multiply
    786,588.60x = 1,084,875.58 × 538,377.67
  4. Step 4: Simplify right side
    786,588.60x = 584,072,787,000.30
  5. Step 5: Solve for x
    x = 584,072,787,000.30/786,588.60
  6. Step 6: Final answer
    x = 742,539.09

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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.