Home / 1,574,302.38-2,172,151.80-885,840

Finding the Fourth Proportional to 1,574,302.38, 2,172,151.80 and 885,840

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Solution

The fourth proportional to 1,574,302.38, 2,172,151.80 and 885,840 is: 1,222,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,302.38 : 2,172,151.80 = 885,840 : x
  2. Step 2: Convert to fraction form
    1,574,302.38/2,172,151.80 = 885,840/x
  3. Step 3: Cross multiply
    1,574,302.38x = 2,172,151.80 × 885,840
  4. Step 4: Simplify right side
    1,574,302.38x = 1,924,178,950,512.00
  5. Step 5: Solve for x
    x = 1,924,178,950,512.00/1,574,302.38
  6. Step 6: Final answer
    x = 1,222,242.29

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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.