Home / 877,150.67-1,210,457.85-514,504.76

Finding the Fourth Proportional to 877,150.67, 1,210,457.85 and 514,504.76

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Solution

The fourth proportional to 877,150.67, 1,210,457.85 and 514,504.76 is: 710,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,150.67 : 1,210,457.85 = 514,504.76 : x
  2. Step 2: Convert to fraction form
    877,150.67/1,210,457.85 = 514,504.76/x
  3. Step 3: Cross multiply
    877,150.67x = 1,210,457.85 × 514,504.76
  4. Step 4: Simplify right side
    877,150.67x = 622,786,319,552.08
  5. Step 5: Solve for x
    x = 622,786,319,552.08/877,150.67
  6. Step 6: Final answer
    x = 710,010.66

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Double scale
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1.5x scale

Why These Related Problems?

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