Home / 869,237.40-1,303,856.10-554,309.40

Finding the Fourth Proportional to 869,237.40, 1,303,856.10 and 554,309.40

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Solution

The fourth proportional to 869,237.40, 1,303,856.10 and 554,309.40 is: 831,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,237.40 : 1,303,856.10 = 554,309.40 : x
  2. Step 2: Convert to fraction form
    869,237.40/1,303,856.10 = 554,309.40/x
  3. Step 3: Cross multiply
    869,237.40x = 1,303,856.10 × 554,309.40
  4. Step 4: Simplify right side
    869,237.40x = 722,739,692,477.34
  5. Step 5: Solve for x
    x = 722,739,692,477.34/869,237.40
  6. Step 6: Final answer
    x = 831,464.10

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Half scale
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Double scale
Find fourth proportional to 869,238.40, 1,303,857.60 and 554,310.40
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.