Home / 877,973.77-1,316,355.50-345,555.93

Finding the Fourth Proportional to 877,973.77, 1,316,355.50 and 345,555.93

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Solution

The fourth proportional to 877,973.77, 1,316,355.50 and 345,555.93 is: 518,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,973.77 : 1,316,355.50 = 345,555.93 : x
  2. Step 2: Convert to fraction form
    877,973.77/1,316,355.50 = 345,555.93/x
  3. Step 3: Cross multiply
    877,973.77x = 1,316,355.50 × 345,555.93
  4. Step 4: Simplify right side
    877,973.77x = 454,874,447,285.34
  5. Step 5: Solve for x
    x = 454,874,447,285.34/877,973.77
  6. Step 6: Final answer
    x = 518,095.71

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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.