Home / 1,615,068.75-2,421,765.05-477,681.46

Finding the Fourth Proportional to 1,615,068.75, 2,421,765.05 and 477,681.46

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Solution

The fourth proportional to 1,615,068.75, 2,421,765.05 and 477,681.46 is: 716,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,068.75 : 2,421,765.05 = 477,681.46 : x
  2. Step 2: Convert to fraction form
    1,615,068.75/2,421,765.05 = 477,681.46/x
  3. Step 3: Cross multiply
    1,615,068.75x = 2,421,765.05 × 477,681.46
  4. Step 4: Simplify right side
    1,615,068.75x = 1,156,832,277,140.72
  5. Step 5: Solve for x
    x = 1,156,832,277,140.72/1,615,068.75
  6. Step 6: Final answer
    x = 716,274.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.