Home / 1,094,543.40-1,641,815.10-384,643.20

Finding the Fourth Proportional to 1,094,543.40, 1,641,815.10 and 384,643.20

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Solution

The fourth proportional to 1,094,543.40, 1,641,815.10 and 384,643.20 is: 576,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,543.40 : 1,641,815.10 = 384,643.20 : x
  2. Step 2: Convert to fraction form
    1,094,543.40/1,641,815.10 = 384,643.20/x
  3. Step 3: Cross multiply
    1,094,543.40x = 1,641,815.10 × 384,643.20
  4. Step 4: Simplify right side
    1,094,543.40x = 631,513,013,872.32
  5. Step 5: Solve for x
    x = 631,513,013,872.32/1,094,543.40
  6. Step 6: Final answer
    x = 576,964.80

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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.