Home / 942,070.08-1,300,044.15-512,340.96

Finding the Fourth Proportional to 942,070.08, 1,300,044.15 and 512,340.96

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Solution

The fourth proportional to 942,070.08, 1,300,044.15 and 512,340.96 is: 707,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,070.08 : 1,300,044.15 = 512,340.96 : x
  2. Step 2: Convert to fraction form
    942,070.08/1,300,044.15 = 512,340.96/x
  3. Step 3: Cross multiply
    942,070.08x = 1,300,044.15 × 512,340.96
  4. Step 4: Simplify right side
    942,070.08x = 666,065,867,853.38
  5. Step 5: Solve for x
    x = 666,065,867,853.38/942,070.08
  6. Step 6: Final answer
    x = 707,023.69

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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.