Home / 1,036,150.47-1,555,111.40-405,507.15

Finding the Fourth Proportional to 1,036,150.47, 1,555,111.40 and 405,507.15

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Solution

The fourth proportional to 1,036,150.47, 1,555,111.40 and 405,507.15 is: 608,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,150.47 : 1,555,111.40 = 405,507.15 : x
  2. Step 2: Convert to fraction form
    1,036,150.47/1,555,111.40 = 405,507.15/x
  3. Step 3: Cross multiply
    1,036,150.47x = 1,555,111.40 × 405,507.15
  4. Step 4: Simplify right side
    1,036,150.47x = 630,608,791,746.51
  5. Step 5: Solve for x
    x = 630,608,791,746.51/1,036,150.47
  6. Step 6: Final answer
    x = 608,607.35

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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.