Home / 514,075.02-709,445.69-284,632.30

Finding the Fourth Proportional to 514,075.02, 709,445.69 and 284,632.30

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Solution

The fourth proportional to 514,075.02, 709,445.69 and 284,632.30 is: 392,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,075.02 : 709,445.69 = 284,632.30 : x
  2. Step 2: Convert to fraction form
    514,075.02/709,445.69 = 284,632.30/x
  3. Step 3: Cross multiply
    514,075.02x = 709,445.69 × 284,632.30
  4. Step 4: Simplify right side
    514,075.02x = 201,931,155,010.17
  5. Step 5: Solve for x
    x = 201,931,155,010.17/514,075.02
  6. Step 6: Final answer
    x = 392,804.84

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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.