Home / 1,435,811.90-2,153,329.05-424,931.90

Finding the Fourth Proportional to 1,435,811.90, 2,153,329.05 and 424,931.90

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Solution

The fourth proportional to 1,435,811.90, 2,153,329.05 and 424,931.90 is: 637,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,811.90 : 2,153,329.05 = 424,931.90 : x
  2. Step 2: Convert to fraction form
    1,435,811.90/2,153,329.05 = 424,931.90/x
  3. Step 3: Cross multiply
    1,435,811.90x = 2,153,329.05 × 424,931.90
  4. Step 4: Simplify right side
    1,435,811.90x = 915,018,204,541.70
  5. Step 5: Solve for x
    x = 915,018,204,541.70/1,435,811.90
  6. Step 6: Final answer
    x = 637,282.78

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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.