Home / 736,816.80-1,105,180.08-433,378.76

Finding the Fourth Proportional to 736,816.80, 1,105,180.08 and 433,378.76

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Solution

The fourth proportional to 736,816.80, 1,105,180.08 and 433,378.76 is: 650,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,816.80 : 1,105,180.08 = 433,378.76 : x
  2. Step 2: Convert to fraction form
    736,816.80/1,105,180.08 = 433,378.76/x
  3. Step 3: Cross multiply
    736,816.80x = 1,105,180.08 × 433,378.76
  4. Step 4: Simplify right side
    736,816.80x = 478,961,572,647.10
  5. Step 5: Solve for x
    x = 478,961,572,647.10/736,816.80
  6. Step 6: Final answer
    x = 650,041.60

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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.