Home / 1,402,103.70-2,103,155.55-455,570.10

Finding the Fourth Proportional to 1,402,103.70, 2,103,155.55 and 455,570.10

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Solution

The fourth proportional to 1,402,103.70, 2,103,155.55 and 455,570.10 is: 683,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,103.70 : 2,103,155.55 = 455,570.10 : x
  2. Step 2: Convert to fraction form
    1,402,103.70/2,103,155.55 = 455,570.10/x
  3. Step 3: Cross multiply
    1,402,103.70x = 2,103,155.55 × 455,570.10
  4. Step 4: Simplify right side
    1,402,103.70x = 958,134,784,229.06
  5. Step 5: Solve for x
    x = 958,134,784,229.06/1,402,103.70
  6. Step 6: Final answer
    x = 683,355.15

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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.