Home / 692,574.30-1,038,861.45-650,583.90

Finding the Fourth Proportional to 692,574.30, 1,038,861.45 and 650,583.90

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Solution

The fourth proportional to 692,574.30, 1,038,861.45 and 650,583.90 is: 975,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,574.30 : 1,038,861.45 = 650,583.90 : x
  2. Step 2: Convert to fraction form
    692,574.30/1,038,861.45 = 650,583.90/x
  3. Step 3: Cross multiply
    692,574.30x = 1,038,861.45 × 650,583.90
  4. Step 4: Simplify right side
    692,574.30x = 675,866,533,700.66
  5. Step 5: Solve for x
    x = 675,866,533,700.66/692,574.30
  6. Step 6: Final answer
    x = 975,875.85

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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.