Home / 693,313.20-1,038,220.20-553,345.20

Finding the Fourth Proportional to 693,313.20, 1,038,220.20 and 553,345.20

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Solution

The fourth proportional to 693,313.20, 1,038,220.20 and 553,345.20 is: 828,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,313.20 : 1,038,220.20 = 553,345.20 : x
  2. Step 2: Convert to fraction form
    693,313.20/1,038,220.20 = 553,345.20/x
  3. Step 3: Cross multiply
    693,313.20x = 1,038,220.20 × 553,345.20
  4. Step 4: Simplify right side
    693,313.20x = 574,494,164,213.04
  5. Step 5: Solve for x
    x = 574,494,164,213.04/693,313.20
  6. Step 6: Final answer
    x = 828,621.41

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Double scale
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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.