Home / 926,875.65-1,390,313.48-528,744.45

Finding the Fourth Proportional to 926,875.65, 1,390,313.48 and 528,744.45

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Solution

The fourth proportional to 926,875.65, 1,390,313.48 and 528,744.45 is: 793,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,875.65 : 1,390,313.48 = 528,744.45 : x
  2. Step 2: Convert to fraction form
    926,875.65/1,390,313.48 = 528,744.45/x
  3. Step 3: Cross multiply
    926,875.65x = 1,390,313.48 × 528,744.45
  4. Step 4: Simplify right side
    926,875.65x = 735,120,533,666.46
  5. Step 5: Solve for x
    x = 735,120,533,666.46/926,875.65
  6. Step 6: Final answer
    x = 793,116.68

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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.