Home / 877,146.17-1,210,451.65-514,500.26

Finding the Fourth Proportional to 877,146.17, 1,210,451.65 and 514,500.26

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Solution

The fourth proportional to 877,146.17, 1,210,451.65 and 514,500.26 is: 710,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,146.17 : 1,210,451.65 = 514,500.26 : x
  2. Step 2: Convert to fraction form
    877,146.17/1,210,451.65 = 514,500.26/x
  3. Step 3: Cross multiply
    877,146.17x = 1,210,451.65 × 514,500.26
  4. Step 4: Simplify right side
    877,146.17x = 622,777,681,303.92
  5. Step 5: Solve for x
    x = 622,777,681,303.92/877,146.17
  6. Step 6: Final answer
    x = 710,004.45

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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.