Home / 1,097,931.90-1,645,756.05-424,475.76

Finding the Fourth Proportional to 1,097,931.90, 1,645,756.05 and 424,475.76

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Solution

The fourth proportional to 1,097,931.90, 1,645,756.05 and 424,475.76 is: 636,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,931.90 : 1,645,756.05 = 424,475.76 : x
  2. Step 2: Convert to fraction form
    1,097,931.90/1,645,756.05 = 424,475.76/x
  3. Step 3: Cross multiply
    1,097,931.90x = 1,645,756.05 × 424,475.76
  4. Step 4: Simplify right side
    1,097,931.90x = 698,583,550,098.35
  5. Step 5: Solve for x
    x = 698,583,550,098.35/1,097,931.90
  6. Step 6: Final answer
    x = 636,272.20

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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.