Home / 877,457.33-1,210,899.12-514,887.23

Finding the Fourth Proportional to 877,457.33, 1,210,899.12 and 514,887.23

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Solution

The fourth proportional to 877,457.33, 1,210,899.12 and 514,887.23 is: 710,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,457.33 : 1,210,899.12 = 514,887.23 : x
  2. Step 2: Convert to fraction form
    877,457.33/1,210,899.12 = 514,887.23/x
  3. Step 3: Cross multiply
    877,457.33x = 1,210,899.12 × 514,887.23
  4. Step 4: Simplify right side
    877,457.33x = 623,476,485,077.31
  5. Step 5: Solve for x
    x = 623,476,485,077.31/877,457.33
  6. Step 6: Final answer
    x = 710,549.07

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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.