Home / 1,038,445.20-1,556,592.60-564,128.40

Finding the Fourth Proportional to 1,038,445.20, 1,556,592.60 and 564,128.40

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Solution

The fourth proportional to 1,038,445.20, 1,556,592.60 and 564,128.40 is: 845,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,445.20 : 1,556,592.60 = 564,128.40 : x
  2. Step 2: Convert to fraction form
    1,038,445.20/1,556,592.60 = 564,128.40/x
  3. Step 3: Cross multiply
    1,038,445.20x = 1,556,592.60 × 564,128.40
  4. Step 4: Simplify right side
    1,038,445.20x = 878,118,092,889.84
  5. Step 5: Solve for x
    x = 878,118,092,889.84/1,038,445.20
  6. Step 6: Final answer
    x = 845,608.50

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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.