Home / 852,513.90-1,176,466.95-470,538.06

Finding the Fourth Proportional to 852,513.90, 1,176,466.95 and 470,538.06

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Solution

The fourth proportional to 852,513.90, 1,176,466.95 and 470,538.06 is: 649,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,513.90 : 1,176,466.95 = 470,538.06 : x
  2. Step 2: Convert to fraction form
    852,513.90/1,176,466.95 = 470,538.06/x
  3. Step 3: Cross multiply
    852,513.90x = 1,176,466.95 × 470,538.06
  4. Step 4: Simplify right side
    852,513.90x = 553,572,476,307.12
  5. Step 5: Solve for x
    x = 553,572,476,307.12/852,513.90
  6. Step 6: Final answer
    x = 649,341.29

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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.