Home / 747,916.02-1,032,124.05-408,384.54

Finding the Fourth Proportional to 747,916.02, 1,032,124.05 and 408,384.54

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Solution

The fourth proportional to 747,916.02, 1,032,124.05 and 408,384.54 is: 563,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,916.02 : 1,032,124.05 = 408,384.54 : x
  2. Step 2: Convert to fraction form
    747,916.02/1,032,124.05 = 408,384.54/x
  3. Step 3: Cross multiply
    747,916.02x = 1,032,124.05 × 408,384.54
  4. Step 4: Simplify right side
    747,916.02x = 421,503,505,382.19
  5. Step 5: Solve for x
    x = 421,503,505,382.19/747,916.02
  6. Step 6: Final answer
    x = 563,570.63

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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.