Home / 1,248,030.20-1,872,045.30-616,813.40

Finding the Fourth Proportional to 1,248,030.20, 1,872,045.30 and 616,813.40

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Solution

The fourth proportional to 1,248,030.20, 1,872,045.30 and 616,813.40 is: 925,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,030.20 : 1,872,045.30 = 616,813.40 : x
  2. Step 2: Convert to fraction form
    1,248,030.20/1,872,045.30 = 616,813.40/x
  3. Step 3: Cross multiply
    1,248,030.20x = 1,872,045.30 × 616,813.40
  4. Step 4: Simplify right side
    1,248,030.20x = 1,154,702,626,447.02
  5. Step 5: Solve for x
    x = 1,154,702,626,447.02/1,248,030.20
  6. Step 6: Final answer
    x = 925,220.10

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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.