Home / 1,070,475.86-1,605,825.15-360,582.74

Finding the Fourth Proportional to 1,070,475.86, 1,605,825.15 and 360,582.74

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Solution

The fourth proportional to 1,070,475.86, 1,605,825.15 and 360,582.74 is: 540,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,475.86 : 1,605,825.15 = 360,582.74 : x
  2. Step 2: Convert to fraction form
    1,070,475.86/1,605,825.15 = 360,582.74/x
  3. Step 3: Cross multiply
    1,070,475.86x = 1,605,825.15 × 360,582.74
  4. Step 4: Simplify right side
    1,070,475.86x = 579,032,832,547.91
  5. Step 5: Solve for x
    x = 579,032,832,547.91/1,070,475.86
  6. Step 6: Final answer
    x = 540,911.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.