Home / 897,495.93-1,238,522.67-515,547.27

Finding the Fourth Proportional to 897,495.93, 1,238,522.67 and 515,547.27

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Solution

The fourth proportional to 897,495.93, 1,238,522.67 and 515,547.27 is: 711,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,495.93 : 1,238,522.67 = 515,547.27 : x
  2. Step 2: Convert to fraction form
    897,495.93/1,238,522.67 = 515,547.27/x
  3. Step 3: Cross multiply
    897,495.93x = 1,238,522.67 × 515,547.27
  4. Step 4: Simplify right side
    897,495.93x = 638,516,981,351.61
  5. Step 5: Solve for x
    x = 638,516,981,351.61/897,495.93
  6. Step 6: Final answer
    x = 711,442.76

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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.