Home / 938,667.06-1,295,280.45-530,748.90

Finding the Fourth Proportional to 938,667.06, 1,295,280.45 and 530,748.90

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Solution

The fourth proportional to 938,667.06, 1,295,280.45 and 530,748.90 is: 732,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,667.06 : 1,295,280.45 = 530,748.90 : x
  2. Step 2: Convert to fraction form
    938,667.06/1,295,280.45 = 530,748.90/x
  3. Step 3: Cross multiply
    938,667.06x = 1,295,280.45 × 530,748.90
  4. Step 4: Simplify right side
    938,667.06x = 687,468,674,029.01
  5. Step 5: Solve for x
    x = 687,468,674,029.01/938,667.06
  6. Step 6: Final answer
    x = 732,388.20

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Double scale
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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.