Home / 607,935.20-911,902.80-558,946.40

Finding the Fourth Proportional to 607,935.20, 911,902.80 and 558,946.40

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Solution

The fourth proportional to 607,935.20, 911,902.80 and 558,946.40 is: 838,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,935.20 : 911,902.80 = 558,946.40 : x
  2. Step 2: Convert to fraction form
    607,935.20/911,902.80 = 558,946.40/x
  3. Step 3: Cross multiply
    607,935.20x = 911,902.80 × 558,946.40
  4. Step 4: Simplify right side
    607,935.20x = 509,704,787,209.92
  5. Step 5: Solve for x
    x = 509,704,787,209.92/607,935.20
  6. Step 6: Final answer
    x = 838,419.60

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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.