Home / 1,122,590.38-1,683,116.96-402,916.10

Finding the Fourth Proportional to 1,122,590.38, 1,683,116.96 and 402,916.10

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Solution

The fourth proportional to 1,122,590.38, 1,683,116.96 and 402,916.10 is: 604,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,590.38 : 1,683,116.96 = 402,916.10 : x
  2. Step 2: Convert to fraction form
    1,122,590.38/1,683,116.96 = 402,916.10/x
  3. Step 3: Cross multiply
    1,122,590.38x = 1,683,116.96 × 402,916.10
  4. Step 4: Simplify right side
    1,122,590.38x = 678,154,919,352.48
  5. Step 5: Solve for x
    x = 678,154,919,352.48/1,122,590.38
  6. Step 6: Final answer
    x = 604,098.28

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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.