Home / 985,293.14-1,359,589.02-555,547.64

Finding the Fourth Proportional to 985,293.14, 1,359,589.02 and 555,547.64

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Solution

The fourth proportional to 985,293.14, 1,359,589.02 and 555,547.64 is: 766,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,293.14 : 1,359,589.02 = 555,547.64 : x
  2. Step 2: Convert to fraction form
    985,293.14/1,359,589.02 = 555,547.64/x
  3. Step 3: Cross multiply
    985,293.14x = 1,359,589.02 × 555,547.64
  4. Step 4: Simplify right side
    985,293.14x = 755,316,471,430.91
  5. Step 5: Solve for x
    x = 755,316,471,430.91/985,293.14
  6. Step 6: Final answer
    x = 766,590.61

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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.