Home / 1,064,605.04-1,596,691.60-390,456.84

Finding the Fourth Proportional to 1,064,605.04, 1,596,691.60 and 390,456.84

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Solution

The fourth proportional to 1,064,605.04, 1,596,691.60 and 390,456.84 is: 585,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,605.04 : 1,596,691.60 = 390,456.84 : x
  2. Step 2: Convert to fraction form
    1,064,605.04/1,596,691.60 = 390,456.84/x
  3. Step 3: Cross multiply
    1,064,605.04x = 1,596,691.60 × 390,456.84
  4. Step 4: Simplify right side
    1,064,605.04x = 623,439,156,590.54
  5. Step 5: Solve for x
    x = 623,439,156,590.54/1,064,605.04
  6. Step 6: Final answer
    x = 585,606.05

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Double scale
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1.5x scale

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.