Home / 736,147.58-1,015,253.88-507,070.28

Finding the Fourth Proportional to 736,147.58, 1,015,253.88 and 507,070.28

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Solution

The fourth proportional to 736,147.58, 1,015,253.88 and 507,070.28 is: 699,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,147.58 : 1,015,253.88 = 507,070.28 : x
  2. Step 2: Convert to fraction form
    736,147.58/1,015,253.88 = 507,070.28/x
  3. Step 3: Cross multiply
    736,147.58x = 1,015,253.88 × 507,070.28
  4. Step 4: Simplify right side
    736,147.58x = 514,805,069,202.69
  5. Step 5: Solve for x
    x = 514,805,069,202.69/736,147.58
  6. Step 6: Final answer
    x = 699,323.18

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.