Home / 1,604,823.62-2,407,211.10-390,411.68

Finding the Fourth Proportional to 1,604,823.62, 2,407,211.10 and 390,411.68

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Solution

The fourth proportional to 1,604,823.62, 2,407,211.10 and 390,411.68 is: 585,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,823.62 : 2,407,211.10 = 390,411.68 : x
  2. Step 2: Convert to fraction form
    1,604,823.62/2,407,211.10 = 390,411.68/x
  3. Step 3: Cross multiply
    1,604,823.62x = 2,407,211.10 × 390,411.68
  4. Step 4: Simplify right side
    1,604,823.62x = 939,803,317,629.59
  5. Step 5: Solve for x
    x = 939,803,317,629.59/1,604,823.62
  6. Step 6: Final answer
    x = 585,611.60

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Double scale
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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.