Home / 1,230,444.10-1,845,666.15-389,253.70

Finding the Fourth Proportional to 1,230,444.10, 1,845,666.15 and 389,253.70

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Solution

The fourth proportional to 1,230,444.10, 1,845,666.15 and 389,253.70 is: 583,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,444.10 : 1,845,666.15 = 389,253.70 : x
  2. Step 2: Convert to fraction form
    1,230,444.10/1,845,666.15 = 389,253.70/x
  3. Step 3: Cross multiply
    1,230,444.10x = 1,845,666.15 × 389,253.70
  4. Step 4: Simplify right side
    1,230,444.10x = 718,432,377,852.26
  5. Step 5: Solve for x
    x = 718,432,377,852.26/1,230,444.10
  6. Step 6: Final answer
    x = 583,880.55

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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.