Home / 1,047,009.40-1,570,514.10-514,612.60

Finding the Fourth Proportional to 1,047,009.40, 1,570,514.10 and 514,612.60

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Solution

The fourth proportional to 1,047,009.40, 1,570,514.10 and 514,612.60 is: 771,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,009.40 : 1,570,514.10 = 514,612.60 : x
  2. Step 2: Convert to fraction form
    1,047,009.40/1,570,514.10 = 514,612.60/x
  3. Step 3: Cross multiply
    1,047,009.40x = 1,570,514.10 × 514,612.60
  4. Step 4: Simplify right side
    1,047,009.40x = 808,206,344,337.66
  5. Step 5: Solve for x
    x = 808,206,344,337.66/1,047,009.40
  6. Step 6: Final answer
    x = 771,918.90

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Double scale
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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.