Home / 691,477.60-1,037,216.40-608,533.60

Finding the Fourth Proportional to 691,477.60, 1,037,216.40 and 608,533.60

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Solution

The fourth proportional to 691,477.60, 1,037,216.40 and 608,533.60 is: 912,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,477.60 : 1,037,216.40 = 608,533.60 : x
  2. Step 2: Convert to fraction form
    691,477.60/1,037,216.40 = 608,533.60/x
  3. Step 3: Cross multiply
    691,477.60x = 1,037,216.40 × 608,533.60
  4. Step 4: Simplify right side
    691,477.60x = 631,181,029,871.04
  5. Step 5: Solve for x
    x = 631,181,029,871.04/691,477.60
  6. Step 6: Final answer
    x = 912,800.40

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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.