Home / 739,417.23-1,020,443.04-417,009.69

Finding the Fourth Proportional to 739,417.23, 1,020,443.04 and 417,009.69

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Solution

The fourth proportional to 739,417.23, 1,020,443.04 and 417,009.69 is: 575,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,417.23 : 1,020,443.04 = 417,009.69 : x
  2. Step 2: Convert to fraction form
    739,417.23/1,020,443.04 = 417,009.69/x
  3. Step 3: Cross multiply
    739,417.23x = 1,020,443.04 × 417,009.69
  4. Step 4: Simplify right side
    739,417.23x = 425,534,635,773.06
  5. Step 5: Solve for x
    x = 425,534,635,773.06/739,417.23
  6. Step 6: Final answer
    x = 575,500.03

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Double scale
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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.