Home / 749,365.10-1,124,047.65-243,973.70

Finding the Fourth Proportional to 749,365.10, 1,124,047.65 and 243,973.70

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Solution

The fourth proportional to 749,365.10, 1,124,047.65 and 243,973.70 is: 365,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,365.10 : 1,124,047.65 = 243,973.70 : x
  2. Step 2: Convert to fraction form
    749,365.10/1,124,047.65 = 243,973.70/x
  3. Step 3: Cross multiply
    749,365.10x = 1,124,047.65 × 243,973.70
  4. Step 4: Simplify right side
    749,365.10x = 274,238,064,146.81
  5. Step 5: Solve for x
    x = 274,238,064,146.81/749,365.10
  6. Step 6: Final answer
    x = 365,960.55

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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.