Home / 1,624,631.74-2,435,500.95-771,176.86

Finding the Fourth Proportional to 1,624,631.74, 2,435,500.95 and 771,176.86

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Solution

The fourth proportional to 1,624,631.74, 2,435,500.95 and 771,176.86 is: 1,156,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,631.74 : 2,435,500.95 = 771,176.86 : x
  2. Step 2: Convert to fraction form
    1,624,631.74/2,435,500.95 = 771,176.86/x
  3. Step 3: Cross multiply
    1,624,631.74x = 2,435,500.95 × 771,176.86
  4. Step 4: Simplify right side
    1,624,631.74x = 1,878,201,975,148.02
  5. Step 5: Solve for x
    x = 1,878,201,975,148.02/1,624,631.74
  6. Step 6: Final answer
    x = 1,156,078.59

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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.