Home / 692,977.10-1,038,688.05-393,601.10

Finding the Fourth Proportional to 692,977.10, 1,038,688.05 and 393,601.10

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Solution

The fourth proportional to 692,977.10, 1,038,688.05 and 393,601.10 is: 589,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,977.10 : 1,038,688.05 = 393,601.10 : x
  2. Step 2: Convert to fraction form
    692,977.10/1,038,688.05 = 393,601.10/x
  3. Step 3: Cross multiply
    692,977.10x = 1,038,688.05 × 393,601.10
  4. Step 4: Simplify right side
    692,977.10x = 408,828,759,036.86
  5. Step 5: Solve for x
    x = 408,828,759,036.86/692,977.10
  6. Step 6: Final answer
    x = 589,959.98

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1.5x scale

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.