Home / 1,038,404.30-1,557,606.45-439,210.04

Finding the Fourth Proportional to 1,038,404.30, 1,557,606.45 and 439,210.04

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Solution

The fourth proportional to 1,038,404.30, 1,557,606.45 and 439,210.04 is: 658,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,404.30 : 1,557,606.45 = 439,210.04 : x
  2. Step 2: Convert to fraction form
    1,038,404.30/1,557,606.45 = 439,210.04/x
  3. Step 3: Cross multiply
    1,038,404.30x = 1,557,606.45 × 439,210.04
  4. Step 4: Simplify right side
    1,038,404.30x = 684,116,391,208.76
  5. Step 5: Solve for x
    x = 684,116,391,208.76/1,038,404.30
  6. Step 6: Final answer
    x = 658,815.06

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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.