Home / 724,521.16-1,085,367.98-474,445

Finding the Fourth Proportional to 724,521.16, 1,085,367.98 and 474,445

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Solution

The fourth proportional to 724,521.16, 1,085,367.98 and 474,445 is: 710,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,521.16 : 1,085,367.98 = 474,445 : x
  2. Step 2: Convert to fraction form
    724,521.16/1,085,367.98 = 474,445/x
  3. Step 3: Cross multiply
    724,521.16x = 1,085,367.98 × 474,445
  4. Step 4: Simplify right side
    724,521.16x = 514,947,411,271.10
  5. Step 5: Solve for x
    x = 514,947,411,271.10/724,521.16
  6. Step 6: Final answer
    x = 710,741.71

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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.