Home / 607,528.20-911,292.30-556,352.40

Finding the Fourth Proportional to 607,528.20, 911,292.30 and 556,352.40

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Solution

The fourth proportional to 607,528.20, 911,292.30 and 556,352.40 is: 834,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,528.20 : 911,292.30 = 556,352.40 : x
  2. Step 2: Convert to fraction form
    607,528.20/911,292.30 = 556,352.40/x
  3. Step 3: Cross multiply
    607,528.20x = 911,292.30 × 556,352.40
  4. Step 4: Simplify right side
    607,528.20x = 506,999,658,206.52
  5. Step 5: Solve for x
    x = 506,999,658,206.52/607,528.20
  6. Step 6: Final answer
    x = 834,528.60

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Double scale
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Similar ratio
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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.