Home / 1,243,457.95-1,865,186.77-344,899.70

Finding the Fourth Proportional to 1,243,457.95, 1,865,186.77 and 344,899.70

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Solution

The fourth proportional to 1,243,457.95, 1,865,186.77 and 344,899.70 is: 517,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,457.95 : 1,865,186.77 = 344,899.70 : x
  2. Step 2: Convert to fraction form
    1,243,457.95/1,865,186.77 = 344,899.70/x
  3. Step 3: Cross multiply
    1,243,457.95x = 1,865,186.77 × 344,899.70
  4. Step 4: Simplify right side
    1,243,457.95x = 643,302,348,411.56
  5. Step 5: Solve for x
    x = 643,302,348,411.56/1,243,457.95
  6. Step 6: Final answer
    x = 517,349.50

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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.