Home / 692,528.80-1,038,793.20-650,538.40

Finding the Fourth Proportional to 692,528.80, 1,038,793.20 and 650,538.40

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Solution

The fourth proportional to 692,528.80, 1,038,793.20 and 650,538.40 is: 975,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,528.80 : 1,038,793.20 = 650,538.40 : x
  2. Step 2: Convert to fraction form
    692,528.80/1,038,793.20 = 650,538.40/x
  3. Step 3: Cross multiply
    692,528.80x = 1,038,793.20 × 650,538.40
  4. Step 4: Simplify right side
    692,528.80x = 675,774,866,258.88
  5. Step 5: Solve for x
    x = 675,774,866,258.88/692,528.80
  6. Step 6: Final answer
    x = 975,807.60

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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.