Home / 1,009,557.45-1,514,008.40-335,457.72

Finding the Fourth Proportional to 1,009,557.45, 1,514,008.40 and 335,457.72

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Solution

The fourth proportional to 1,009,557.45, 1,514,008.40 and 335,457.72 is: 503,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,557.45 : 1,514,008.40 = 335,457.72 : x
  2. Step 2: Convert to fraction form
    1,009,557.45/1,514,008.40 = 335,457.72/x
  3. Step 3: Cross multiply
    1,009,557.45x = 1,514,008.40 × 335,457.72
  4. Step 4: Simplify right side
    1,009,557.45x = 507,885,804,247.56
  5. Step 5: Solve for x
    x = 507,885,804,247.56/1,009,557.45
  6. Step 6: Final answer
    x = 503,077.66

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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.