Home / 879,535.84-1,213,761.76-477,127.84

Finding the Fourth Proportional to 879,535.84, 1,213,761.76 and 477,127.84

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Solution

The fourth proportional to 879,535.84, 1,213,761.76 and 477,127.84 is: 658,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,535.84 : 1,213,761.76 = 477,127.84 : x
  2. Step 2: Convert to fraction form
    879,535.84/1,213,761.76 = 477,127.84/x
  3. Step 3: Cross multiply
    879,535.84x = 1,213,761.76 × 477,127.84
  4. Step 4: Simplify right side
    879,535.84x = 579,119,526,823.40
  5. Step 5: Solve for x
    x = 579,119,526,823.40/879,535.84
  6. Step 6: Final answer
    x = 658,437.67

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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.