Home / 876,734.04-1,210,168.65-514,304.40

Finding the Fourth Proportional to 876,734.04, 1,210,168.65 and 514,304.40

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Solution

The fourth proportional to 876,734.04, 1,210,168.65 and 514,304.40 is: 709,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,734.04 : 1,210,168.65 = 514,304.40 : x
  2. Step 2: Convert to fraction form
    876,734.04/1,210,168.65 = 514,304.40/x
  3. Step 3: Cross multiply
    876,734.04x = 1,210,168.65 × 514,304.40
  4. Step 4: Simplify right side
    876,734.04x = 622,395,061,437.06
  5. Step 5: Solve for x
    x = 622,395,061,437.06/876,734.04
  6. Step 6: Final answer
    x = 709,901.79

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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.