Home / 1,053,998.63-1,454,528.14-618,423.38

Finding the Fourth Proportional to 1,053,998.63, 1,454,528.14 and 618,423.38

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Solution

The fourth proportional to 1,053,998.63, 1,454,528.14 and 618,423.38 is: 853,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,998.63 : 1,454,528.14 = 618,423.38 : x
  2. Step 2: Convert to fraction form
    1,053,998.63/1,454,528.14 = 618,423.38/x
  3. Step 3: Cross multiply
    1,053,998.63x = 1,454,528.14 × 618,423.38
  4. Step 4: Simplify right side
    1,053,998.63x = 899,514,208,643.91
  5. Step 5: Solve for x
    x = 899,514,208,643.91/1,053,998.63
  6. Step 6: Final answer
    x = 853,430.15

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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.