Home / 817,010.03-1,127,457.63-454,426.08

Finding the Fourth Proportional to 817,010.03, 1,127,457.63 and 454,426.08

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Solution

The fourth proportional to 817,010.03, 1,127,457.63 and 454,426.08 is: 627,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,010.03 : 1,127,457.63 = 454,426.08 : x
  2. Step 2: Convert to fraction form
    817,010.03/1,127,457.63 = 454,426.08/x
  3. Step 3: Cross multiply
    817,010.03x = 1,127,457.63 × 454,426.08
  4. Step 4: Simplify right side
    817,010.03x = 512,346,151,166.99
  5. Step 5: Solve for x
    x = 512,346,151,166.99/817,010.03
  6. Step 6: Final answer
    x = 627,098.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.